Question

if diameter is 14m find the perimeter if semi circle ​

Answer 1

Answer:

36 m.

Step-by-step explanation:

circumference of circle = 2 pi r

=2×22/7×7=44 m......(r=d/2)

hence,perimeter of semi circle =44/2+14

=22+14=36 m.

Answer 2

Step-by-step explanation:

Diameter = 14 m

Perimeter of semicircle = πr + 2r

Radius = D/2

Radius = 14/2= 7 m

Perimeter of semicircle= πr + 2r

=22/7 × 7 + 2 × 7

= 22 + 2×7= 22×14=308m

Perimeter of semicircle= 308m

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