Question

find the perimeter of the adjoining figure which is a semicircle the diameter is 10cm

Answer 1

Hey mate here is the solution......

The perimeter = πr + 2r = 22/7* 5 + 2*5 = 25.71 cm


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Answer 2

perimeter of circle is 2*3.14*radius, therefore the perimeter of a semicircle will be 3.14*radius.
therefore the answer is 3.14*5=15.70