Question 24

loading...

Prev/Next links

Jambmaths question: 

How many sides has a regular polygon whose interior angle is 135o each

Option A: 

10

Option B: 

12

Option C: 

9

Option D: 

8

Jamb Maths Solution: 

Exterior angle of the regular polygon is180o – 135o = 45o (sum of angles on a straight line)The sum of total exterior angle = 360oThe number of sides be n$30n={{360}^{\text{o}}},\text{ }n=\frac{{{360}^{\text{o}}}}{{{45}^{\text{o}}}}=8$

Year of Exam: