Question

Find the perimeter of semi circle whose diameter is 28 cm.​

Answer 1

Answer:

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Answer 2

Answer:

given

diameter of semicircle=28cm

radius =d/2=28/2=14

Step-by-step explanation:

perimeter of semicircle=2$\pi$r

                                     =2×22/7×14

                                       =88cm²

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