Question

the perimeter of a semi circle plot is 42cm find the diameter of the plot​

Answer 1

PERIMETER OF CIRCLE : 2πr

PERIMETER OF SEMICIRCLE : 2πr/2

2πr/2=42

(2×22/7×x)/2 = 42

22/7×x=42

X=(42×7/22)

X=294/22

Therefore 294/22 is the radius..

Diameter = 294/22 ×2

Diameter = 294/11

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