a wire is bent to form a rectangle 54 cm long that encloses an area of 1836cm. the wire is then straightened and bent to form a circle . find the area of the circle do formed
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length=54 cm
area=1836
so b=1836/54=34
perimeter of rectangle=2{54+34}=176
perimeter of rectangle= perimeter of circle
2πr=176
2×22/7×r=176
r=28
area of circle=22/7×28×28=2464
area=1836
so b=1836/54=34
perimeter of rectangle=2{54+34}=176
perimeter of rectangle= perimeter of circle
2πr=176
2×22/7×r=176
r=28
area of circle=22/7×28×28=2464
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