Angles - Polygons on GMAT | Experts' Global GMAT Prep

This video explains all the properties of angles in different polygons. This also explains the concept of total sum of internal and external angles in different polygons as per their number of sides. The concept is helpful for the GMAT quantitative section.

Angles – Polygons on GMAT

American Accent

Indian Accent

GMAT Online Preparation

GMAT VIDEOS

How to Attempt Sentence Correction on GMAT
A Sentence Must Convey a “Complete” Meaning on GMAT
A Sentence Must have a Subject and an Active Verb on GMAT
“Do it” Versus “Do so” on GMAT
“If” Versus “Whether” on GMAT
“Like” Versus “As” on GMAT
“Comparative” Versus “Superlative” Form on GMAT
“Phrase Comma Subject” and “Subject Comma Phrase” on GMAT
What are Modifiers on GMAT?
Misplaced Modifiers on GMAT
Hanging or Dangling Modifiers on GMAT
Independent and Dependent Clauses on GMAT
Types of Phrases on GMAT
Infinitive vs present participle on GMAT
Extra Information Between two Commas on GMAT
Usage of Period and Semicolon on GMAT
Usage of Pair of Commas on GMAT
Complex Sentence Structures Involving Many Commas on GMAT
Usage of Comma on GMAT
Usage of Colon on GMAT
Dash and Pair of Dashes on GMAT
All punctuations on GMAT SC
3 Forms of Verb- V1, V2, V3 on GMAT
Basics of Infinitives, Present Participle, Past Participle on GMAT
Infinitives on GMAT
Present Participle on GMAT
Past Participle on GMAT
Parallelism Among Verb Forms on GMAT
Present Participle vs Gerund on GMAT
Comma plus present participle for cause effect relationship
Error of “Active Verb Missing” on GMAT
Cases when Participles Acting as Noun is Correct on GMAT
“Future in Past”: Two Interesting Constructions on GMAT
What is Parallelism on GMAT?
Parallelism in Infinitives and Participles on GMAT
Parallelism in Conjunctions on GMAT
Parallelism in Tenses on GMAT
Logical Parallelism on GMAT
Exceptions to Parallelism: Case 1 on GMAT
Exceptions to Parallelism: Case 2 on GMAT
Exceptions to Parallelism: Case 3 on GMAT
Appositives on GMAT
Use of Which, Who, Whose, Where on GMAT
Can “Whose” be Used for Things or Objects on GMAT
“Which” Versus “That” on GMAT
A Rare Case when “That” is Preceded by “Comma” on GMAT
“And” Versus Other Conjunctions on GMAT
Comma Splices and Run-ons on GMAT
Oxford Comma on GMAT
Subjunctive Mood on GMAT
Collective, Countables, Uncountable Nouns on GMAT
Indefinite Pronouns on GMAT
Many, Any, None, All, Some on GMAT
“Either-Or” and “Neither-Nor” on GMAT
An Exception in the Usage of “Each” on GMAT
Noun-Pronoun Agreement on GMAT
Pronoun needs a Noun on GMAT
Avoiding Pronoun Ambiguity on GMAT
Exceptions to Pronoun Ambiguity on GMAT
Right “Form” of Pronoun Must be Used on GMAT
“Who” Versus “Whom” on GMAT
A Simple Approach for 12 Different Tenses on GMAT
Simple Tenses on GMAT
Simple Continuous Tenses on GMAT
Present Perfect Tense on GMAT
Present Perfect Continuous Tense on GMAT
Past Perfect Tense – Use of “Had” on GMAT
Use of two “Hads” simultaneously on GMAT
“Future Perfect” and “Future Perfect Continuous” Tenses on GMAT
Perfect Continuous Tenses on GMAT
3 Key Subjunctive Structures on GMAT
Use of “Considered” and “Regarded As” on GMAT
“Because” versus “In That” on GMAT
Use of “So As To” on GMAT
Use of “Modeled” on GMAT
Use of “Native” on GMAT
“Compared with” Versus “Compared to” on GMAT
“Agree with” versus “Agree to” on GMAT
Use of “Distinguish” on GMAT
Use of “Being” on GMAT
Where Versus When on GMAT
There Is and There Are on GMAT
Between Vs Among on GMAT
Usage of “Forbid” on GMAT
SC Meaning Error 1: Incorrect Doer on GMAT
SC Meaning Error 2: Incomplete Meaning on GMAT
SC Meaning Error 3: Incoherent Meaning on GMAT
SC Meaning Error 4: Change in Degree or Surety on GMAT
SC Meaning Error 5: Incorrect Usage of Conjunctions on GMAT
SC Meaning Error 6: Misplaced Keywords on GMAT
SC Meaning Error 7: Omission of Words on GMAT
SC Meaning Error 8: Failing to Convey Cause-Effect Relationship on GMAT
SC Meaning Error 9: Conveying False Cause-Effect Relationship on GMAT
SC Meaning Error 10: Conveying Different, Parallel Meaning on GMAT
Approach for DS Questions on GMAT
Properties of a “Sufficient” DS Statement on GMAT
1 of 5 – Common Mistakes in GMAT Data Sufficiency
2 of 5 – Common Mistakes in GMAT Data Sufficiency
3 of 5 – Common Mistakes in GMAT Data Sufficiency
4 of 5 – Common Mistakes in GMAT Data Sufficiency
5 of 5 – Common Mistakes in GMAT Data Sufficiency
Classification of Numbers on GMAT
Some Exceptions on Integers on GMAT
Even and Odd Integers on GMAT
Even and Odd – 3 Amazing DS Examples on GMAT
Finding Units Digit of a Huge Multiplication on GMAT
Finding Last 2 Digits of a Huge Multiplication on GMAT
How to Find Last Digits of Large Powers and Exponents on GMAT
Finding the Number of Factors on GMAT
Finding the Highest Power in a Factorial on GMAT
Terminating Fractions on GMAT
How to Find Remainder for a Huge Product on GMAT
Finding Remainder for a Large Exponent on GMAT
The Most Favorite Remainder Question Type on GMAT
An Important Surds and Indices Question Type on GMAT
Another Important Surds and Indices Question Type on GMAT
Sets – Two Elements on GMAT
Sets – Three Elements on GMAT
A Smart Approach to Percentage Increase and Decrease on GMAT
Taking Base as 100 in Percentage Questions on GMAT
Mixtures – Two Elements on GMAT
Mixtures – Three or More Elements on GMAT
Alligation – When and How to Use on GMAT
Application of Alligation on a Question on GMAT
A Key Concept on Proportion on GMAT
The Concept of “Variation” or “Proportionality” on GMAT
Basics of “Profit and Loss” on GMAT
Basics of “Interest” on GMAT
Arithmetic Mean or Average on GMAT
Mode on GMAT
Median on GMAT
Standard Deviation on GMAT
“Range” and “Variation” on GMAT
Avoid Multiple Variables to Save Time on GMAT
Solving a Quadratic Equation by Factorization on GMAT
Inequations – Based on Modulus on GMAT
Inequations – Based on Factorization on GMAT
Inequations – Based on Signs on GMAT
Inequations – Based on -1 to 1 on GMAT
May be true and Must be true questions on GMAT
Work – When we can Assume Total Work as 1 on GMAT
Work – When Total Work is Defined on GMAT
Work- when negative work is involved on GMAT
Average Speed on GMAT
Relative Speed on GMAT
Angles – Lines on GMAT
Angles – Triangles on GMAT
Angles – Circles on GMAT
Angles – Polygons on GMAT
Basic Properties of Triangles for GMAT
Basic Properties of Quadrilaterals for GMAT
Basic Properties of Isosceles, Equilateral, and Right Triangles on GMAT
Basic Properties of Circles on GMAT
Basic Properties of Congruent and Similar Triangles on GMAT
GMAT’s Favorite Right Triangles
An Interesting Question Type on Triangles for GMAT
Another Important Question Type on Triangles for GMAT
Area of Overlapping Regions I for GMAT
Area of Overlapping Regions II for GMAT
Difference Between Prism and Pyramid on GMAT
How to Find “Curved Surface” Area of any Solid on GMAT
How to Find “Total Surface” Area of any Solid on GMAT
How to Find the “Volume” of any Solid on GMAT
Properties of Sphere and Hemisphere on GMAT
An Important Concept on Solids on GMAT
The Coordinate Axis – A Primer for GMAT
The Distance Between two Coordinates on GMAT
Equation of a Line on GMAT
Parallel and Perpendicular Lines on Coordinate Axis on GMAT
Slope of a Straight Line on GMAT
Equation of Circle on Coordinate Axis on GMAT
Length of Perpendicular on Coordinate Axis on GMAT
A Basic Approach Towards Counting the Arrangements on GMAT
Difference Between “Permutations” and “Combinations” on GMAT
Permutations and Combinations Formula on GMAT
Applying the Permutations and Combinations Formula on GMAT
Relationship Between Permutations and Combinations on GMAT
An Explanatory Permutations Example for GMAT
An Explanatory Combinations Example for GMAT
Circular Arrangements for GMAT
Repetitive Arrangements for GMAT
Distributive Arrangements for GMAT
2 Difficult Distributive Arrangement Problems on GMAT
Teaming on GMAT
Derangements on GMAT
What is Probability on GMAT?
A Logical Probability Example for GMAT
Another Logical Example on Probability for GMAT
A Probability Example Based on Set Theory on GMAT
An Explanatory Example on PnC Based Probability Questions on GMAT
Basics of Conditional Probability on GMAT
Areal Probability on GMAT
Basics of Functions on GMAT
Commonly Asked Functions on GMAT
A Commonly Asked Functions Question Type on GMAT
Another Commonly Asked Functions Question on GMAT
Arithmetic Progression for GMAT
Basics of Geometric Progression for GMAT
Sum of First ‘n’ Positive Integers, Squares, Cubes etc on GMAT
How to Attempt Reading Comprehensions on GMAT
How to Attempt Critical Reasoning- The “Missing-Link” Approach on GMAT
Choices Generally Incorrect on GMAT Critical Reasoning
Ten Main Question Types on Critical Reasoning on GMAT
Characteristics of a Correct Assumption on GMAT CR
Difference Between “Strengthening” and “Assumption” Statement on GMAT CR
Assumption Negation Test on GMAT Critical Reasoning
Characteristics of a Strengthening Statement on GMAT Critical Reasoning
Characteristics of a Weakening Statement on GMAT Critical Reasoning
Characteristics of an Explanation Statement on GMAT Critical Reasoning
Beware When you see Numbers in GMAT Critical Reasoning
Characteristics of an Evaluation Statement on GMAT Critical Reasoning
Characteristics of an Inference Statement on GMAT Critical Reasoning
Characteristics of a Conclusion Statement on GMAT Critical Reasoning
Characteristics of a Para-completion Statement on GMAT Critical Reasoning
Strategy for Solving Boldface Questions on GMAT Critical Reasoning
Frequently Used Vocabulary in Boldface Questions on GMAT CR
Key Points for Boldface Questions on GMAT
Vocabulary Test 1 for Boldface Questions on GMAT Critical Reasoning
Vocabulary Test 2 for Boldface Questions on GMAT Critical Reasoning
Vocabulary Test 3 for Boldface Questions on GMAT Critical Reasoning
Vocabulary Test 4 for Boldface Questions on GMAT Critical Reasoning
Vocabulary Test 5 for Boldface Questions on GMAT Critical Reasoning
A Note on Dialogue Based CR Questions on GMAT Critical Reasoning
Determining the method of reasoning deployed on GMAT Critical Reasoning
Similar Reasoning Questions on GMAT Critical Reasoning
Finding the Flaw in Reasoning on GMAT Critical Reasoning
Confusing Cause with Effect on GMAT Critical Reasoning
Confusing Correlation with Causation on GMAT Critical Reasoning
Assuming that bases are same on GMAT Critical Reasoning
Incorrect Analogy on GMAT Critical Reasoning
Generalization on GMAT Critical Reasoning
Circular Reasoning on GMAT Critical Reasoning
Impressed by numbers on GMAT Critical Reasoning
Missing the main point on GMAT Critical Reasoning
Comparing percentage with absolute numbers on GMAT Critical Reasoning
Comparing one with oneself on GMAT Critical Reasoning
Confusing necessity with sufficiency on GMAT Critical Reasoning
Confusing sufficiency with necessity on GMAT Critical Reasoning
Confusing possibility with necessity on GMAT Critical Reasoning
Confusing between subsets and supersets on GMAT Critical Reasoning
Common Errors in AWA Reasoning on GMAT
An Effective Structure for AWA Argument on GMAT
Sample Template for AWA Argument on GMAT
Time Management for AWA on GMAT
Typical Week of your Preparation on GMAT
Importance of One Full Length Test per Week on GMAT Prep
GMAT Myths you Must Laugh Away
Correct Mindset for the Test on GMAT
When the Real GMAT Feels Different from the Prep Done…
Utilizing the Breaks during the GMAT
When you are Stuck on a Question on GMAT
Test Taking Tips on GMAT
When you run short of time on GMAT…
How to Guess an Answer Choice Better on GMAT
Final Tips Before the GMAT

Invest 30 seconds...

Help Line

Angles – Polygons on GMAT

Angles – Polygons on GMAT

GMAT VIDEOS

Covered by…