Question

Q7 Find the area of the surface of a 10p coin when the radius is 12.25 mm. Give your answer to two decimal places

Answer 1

Answer:

471.62

Step-by-step explanation:

$\pi \: {r}^{2}$

$\frac{22}{7} \times \frac{1225}{100} \times \frac{1225}{100}$

$471.62$