In the diagram above, QR is in the diameter of the semicircle QR. Find the areas of the figure to the nearest whole number.

In the diagram above, QR is in the diameter of the semicircle QR. Find the areas of the figure to the nearest whole number.

Answer Details

Area of rectangle PQRS
= 10 x 7 = 70 cm2
Area of semi circle
QR = Dπ = 7 x 22/7 = 22cm2
∴Area of the figure = 70 + 22
= 92cm2
= 90cm2