Question

diameter Is =28 find circumference

Answer 1

HEYA!!!

Given,

diameter of circle = 28

Circumference of circle =
$= \pi \: d \\ \\ = \frac{22}{7} \times 28 \\ \\ = 22 \times 4 \\ \\ = 88cm$

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Answer 2

circumference=2 ×pie×radius
we know radius = diametre/2
so circumference=2×pie.×diametre/2
=pie×diameter
=22/7×d
=22/7×28 (d=28)
=22×4
=88 is cirumference. (ANS)

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