Question

The radius of the circle is 7 find its circumference ​

Answer 1

Answer:

42 (Approximately.)

Step-by-step explanation:

Circumference = 3 x Diameter (Approximately.)

Circumference = 6 x Radius (Approximately.)

Circumference = 6 x 7

                         = 42 (Approximately.)

Answer 2

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formula of circumference = 2 pie r

Radius = 7cm

2 pie r

$2 \times \frac{22}{7} \times 7 \\ \\ = 2 \times 22 \\ = 44$

= 44cm

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hope it helps