Question

Find the area of quadrant of acircle circamfrance is 22cm

Answer 1

Answer:

wehave

C=22cm

⇒2πr=22cm

⇒2×  

7

22

​  

×r=22

∴r=3.5cm

Now,

areaofquadrantofacircle=  

4

πr  

2

 

​  

 

=  

7

22

​  

×  

4

(3.5)  

2

 

​  

 

=  

28

22×12.25

​  

 

=9.625cm  

2

.

​