Question 35

loading...

Prev/Next links

Jambmaths question: 

The sum of the interior angles of a polygon is 20 right angles. How many sides does the polygon have?

Option A: 

12 

Option B: 

20

Option C: 

40

Option D: 

10

Jamb Maths Solution: 

$\begin{align}  & \text{Sum of interior angles in a regular polygon is given as2}0\text{ right angles}=20\times {{90}^{\circ }}={{1800}^{\circ }} \\ & (n-2){{180}^{\circ }}={{1800}^{\circ }} \\ & n-2=10 \\ & n=12 \\\end{align}$

Year of Exam: