Question

find the diameter of the circle whose circumference is 44 CM (take π =22/7)​

Answer 1

Answer:

circumference of circle = πr²

so, πr² = 44 cm

22/7 × r² = 44cm

r² = 44 × 7/22

r = √14

hence, radius = 3.74

diameter of circle = 2(r) = 2(3.74)

= 7.48

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Answer 2

circumference of a circle = 2πr

2πr = 44

πr = 22

r=22×22/7

r=7

diameter=2r

diameter= 2×7

=14 cm