Polygons - Jamb Mathematics Past Questions and Answers

Question 1:

• JAMB 2019

The angles of a polygon are given by 2x, 5x, x and 4x respectively. The value of x is

A. 31°
B. 30°
C. 26°
D. 48°

Question 2:

• JAMB 2019

Each of the interior angles of a regular polygon is 140°. Calculate the sum of all the interior angles of the polygon.

A. 1080°
B. 1260°
C. 2160°
D. 1800°

Question 3:

• JAMB 2017

In a regular polygon, each interior angle doubles its corresponding exterior angle. Find the number of sides of the polygon

A. 8
B. 6
C. 4
D. 3

Question 4:

• JAMB 2016

The sum of the interior angles of a polygon is a given as 1080^o. Find the number of the sides of the polygon.

A. 5
B. 7
C. 6
D. 8

Question 5:

• JAMB 2015

How many sides has a regular polygon whose interior angles are 120°each

A. 4
B. 5
C. 6
D. 3