Question

find the radius of a circle whose circumference is 176 cm​

Answer 1

Answer:

$given \:circumference \: of \: a \: circle \: is \: 176cm \\ circumference = 2\pi \: r \\ 2\pi \: r = 176 \\ r = \frac{176 \times 7}{2 \times 22} \\ = 4 \times 7 \\ r = 28cm$

Answer 2

Step-by-step explanation:

2πr = 176

πr = 176/2

πr = 88

22/7 r = 88

r = 88 × 7/22

r = 4 × 7

r = 28

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