Question

Fifind the the circumference of the circle with the following radius 14cm , 28mm,21cmfind th

Answer 1

Answer:

$1.2 \times \pi \times r = 2 \times \frac{22}{7} \times 14 \\ = 44 \times 2 = 88 {cm}$

$2.2 \times \frac{22}{7} \times 28 = 44 \times 4 \\ = 176 {mm}$

$3.2 \times \frac{22}{7} \times 21 = 44 \times 3 \\ = 132 {cm}$

Answer 2

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