Question

find the area of a circle of radius 49cm in step by step
​

Answer 1

Answer:

=7546cm  

Step-by-step explanation:

As we know that,

Area of circle =πr  

2

 

Here r is the radius of circle.

Given:- r=49cm

Therefore,

Area of circle =  

7

22

​  

×(49)  

2

=22×7×49=7546cm  

Answer 2

As we know that,

Area of circle =πr2

Here r is the radius of circle.

Given:- r=49cm

Therefore,

Area of circle =722×(49)2=22×7×49=7546cm2