Question

7.6 cm

Diagram NOT
accurately drawn
A circle has a radius of 7.6 cm.
Work out the area of the circle.
Give your answer correct to 3 significant figures.​

Answer 1

181cm²

Explanation:

Given

Radius of a circle = 7.6cm

Area of the circle = \pi r²

Substitute

Area of the circle = 3.14(7.6)²

Area of the circle = 3.14(57.76)

Area of the circle = 181.3664cm²

Area of the circle to 3sf is 181cm²