A wire in the shape of a square, with each side equal to 15.5 cm, is bent into the shape of a circle. Find the circumference and the diameter of the circle. a
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Answer:
19.74 cm
Step-by-step explanation:
Perimeter of square = 15.5 x 4 = 62
circumference of the circle = 62 cm
circumference = 2πr = 62
2πr = 62
πr = 31
r =31/π = 31/3.14
r = 9.87 cm
Diameter = 2r = 2 x 9.87 = 19.74 cm
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