12. Is a wire is bent into the shape of a square, the area of the square is 49² cm. When the wire is bent into a semi
circular shape, find the circumference of the semi-circle. (Take π 22/7
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here is your answer buddy
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Answer:
28cm
Step-by-step explanation:
Area of square = a²
So a² = 49
a = √49 = 7cm
Hence side of square = 7cm
Perimeter = 4a = 4×7 = 28cm
Circumference of semi circle
= perimeter of square
= 28cm
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