Question

Find the circumference of the semi circle if the diameter is 14cm

Answer 1

Answer:

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Step-by-step explanation:

Circumference of circle =2πr

Circumference of semi circle =πr

Diameter=14cm

So radius = 7cm

Circumference of semi circle=22/7×7

22cm is the answer

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Answer 2

=> circumference of semi circle = 2(pi)(r)/2 + 2(r) = (pi)(r) + 2(r)

=> diameter = 14 , radius = 7

=> (22/7)(7) + 2(7)

=> 22 + 14

=> 36 cm