Question

the sum of angles of a polygon is 900.The number of sides it will have his

Answer 1

Answer:

Step-by-step explanation:

Sum of angles of a polygon=(n-2)×180°

900=(n-2)×180°

900/180=n-2

5=n-2

n=5+2

n=7

Answer 2

2(n-2)×90°=900
2(n-2)=900/90
(n-2)= (10/2)
n-2 =5
n= (5+2)
n= 7
solve it