Question

10l find the perimete of semicriclee
(taken t= 27
ou radius 42 cm
whose​

Answer 1

perimeter of semicircle = 2r + πr

radius, r = 42 cm.

perimeter, $p = 2 * 42 + \frac{22}{7} * 42$

p = 84 + ( 22*42)

p = 84 + 924

perimeter of the semicircle = 1008 cm

or 10.8 meters

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Answer 2

Step-by-step explanation:

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