Question

Find the circumference of a circle of radius 25 cm .

Answer 1

$circumference \\ = 2 \times \pi \times r\\ = 2 \times \frac{22}{7} \times 25 \\ = \frac{44 \times 25}{7} \\ = \frac{1100}{7} \\ = 157.14$

Answer 2

The answer is in the attached photo