Question

a wire is form of sqaure of sides 49.5cm.the wire straightend an bent to form semicirclr find the radius of the semicircle
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Answer 1

Answer:

Step-by-step explanation:

15.76 cms as circumference (c) = 2 x π x radius (r) i.e., r = c/2 x π means r = 2 sides of a square (49.5 x 2) divided by 2 π

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