A piece of wire is in the form of a rectangle 8.9 cm long and 5.4 cm broad is reshaped and bent into the form cirle find the radious of the circle
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Answer:
Step-by-step explanation:
Perimeter of rectangle = 2(length+breadth)
= 2(8.9+5.4)cm
=2^14.3cm
= 28.6 cm
As wire is not changed the perimeter will be same.
Hence,
Perimeter of circle so formed=28.6cm
2πr = 28.6cm
πr = 28.6/2 cm
22/7^r = 14.3 cm
r = 14.3 ^7/22 cm
radius = 4.55cm
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