Question

If the perimeter of a semu circle is 56 cm.the diameter will be

Answer 1

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HERE IS YOUR ANSWER.............

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AREA OF SEMI-CIRCLE=56

Pie(r)^2/2=56

22/7×(r)^2/2=56

22×(r)^2/14=56

11×(r)^2/7=56

11×(r)^2=392

(r)^2=392/11

(r)^2=36

r=6cm

Diameter=2r

Diameter=12cm