Question

Work out the area of a circle with a radius 7.5cm take pie to be 3.142. Give your answer 2 decimal places

Answer 1

176.74 cm^2

Explanation:

Area of a circle is πr^2

r= 7.5

π= 3.142

Area=3.142× 7.5^2

= 3.142 × 56.25

= 176.74 cm^2

Hence the area if the circle is 176.74cm^2