Question

Wer

Calculate the shaded area.
Give your answer to 3 significant figures.
6.5
cm
2.3 cm

Answer 1

116cm2

•Find the area of the whole circle, as in the entire diagram. Taking r as 6.5 cm.

•Use the formula that is used to find area of circles

•Find the area of the smaller circle that has a radius of 2.3 cm using the same formula.

•When you have the two values minus the area of the smaller circle from the larger one to find the area of the shaded region.

•And round it off to 3 significant figures

Hope this helped:)