Question

If the parimeter of a semicircular protocror is 108 cm,then find the diameter of the protocror?

Answer 1

Answer:

$\pi \: r = perimeter \: of \: semicircle$

》22/7×R= 1O8

》R = 108×7/22

》756/22 》34.36 cm

$diameter \: = 2r$

》2×34.36

》68.72

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