Question

A semi circle whose radius is 7cm find the length of semi circle.

Answer 1

Answer:

22

Step-by-step explanation:

because perimeter of semi circle is 22/7xr

Answer 2

Answer:

36cm

Step-by-step explanation:

circumference of circle=2*π*r

so circumference of the semi-circle =2πr/2

leght =2*22/7*7

=36cm

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