Three exterior angles of a polygon are 30\(^o\), 40\(^o\) and 60\(^o\). If the remaining exterior angles are 46\(^o\) each, name the polygon.

A.

decagon

B.

nonagon

C.

octagon

D.

hexagon

View answer & explanation

Correct answer is C

Sum of all exterior angles is 360\(^o\)

360\(^o\) (30\(^o\) - 40\(^o\))

360 - (130\(^o\))

230\(^o\)

remaining is 46\(^o\) = \(\frac{230}{46}\) = 5

5 + 3 = 8 sides; Octagon

See all Mathematics questions & answers
See more WAEC questions & answers
Aptitude Tests

Personality Test

Quantitative Reasoning Questions and Answers

Nigeria General Knowledge Questions and Answers

Logical Reasoning Questions and Answers

Verbal Reasoning Questions and Answers

Numerical Reasoning Questions and Answers

Puzzles Questions and Answers

Data Interpretation Questions and Answers

Abstract Reasoning Questions and Answers

Situational Judgement Questions and Answers

Microsoft Office Questions and Answers

Typing Speed and Accuracy Test

Spatial Reasoning Questions and Answers

See all →


View latest jobs in Nigeria today