Question

A semicircular shape is cut out of the side of a rectangle as shown.

Calculate the shaded area, giving your answer in exact form.

Answer 1

9 43/50cm²

Explanation:

Required area

= 6 x 4 - ½ π 3²

= 24 - 4.5 π

= 24 - 4.5 x 3.14

= 24 - 14.13

= 9.87

= 9 43/50