Question

Find the area of the semi circle of radius 28cm ​

Answer 1

Answer:

Step-by-step explanation:

ANSWER

Given, r=28cm

Perimeter =(π+2)r=(  

7

22

​  

+2)28=144cm

Area =  

2

πr  

2

 

​  

=  

7

22

​  

×  

2

28×28

​  

=1232cm  

2

Answer 2

1232 cm^2

Hint { area of Semi circle = πr^2 / 2}

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