Math, asked by jsarika529, 9 months ago

a wire is in the form of rectangle 12.8 cm long and 9.2 cm wide is bent in the form of circle find radius of circle

Answers

Answered by jhasuhani889

1

Answer:

perimeter of rect 2(l+b)

= 2(12.8+9.2)

34.8

perimeter of rectangle = circumference of circle

34.8=2πr

34.8=2×22/7×r

34.8=44/7×r

348/10=44r/7

r=114.618182

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