A wire in the form of rectangle 18 cm long and 15 cm wide is reshaped at bent it to the form of a circle find the area of the circle formed
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The answer is 346.5cm
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Answer:
perimeter of rectangle
= 2(l+b)
=2(15+18)
=2*33
= 66
circumference of circle =66cm²
= 2πr²=66cm²
= r = 66*7/22*2
= 21/2
= 10.5
Area of circle
= 22/7*10.5²
=346.5
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