In the diagram above, |QR| is the diameter of the semicircle QR. Find the area of the figure to the nearest whole number. {π=227 π = 22 7 }

In the diagram above, |QR| is the diameter of the semicircle QR. Find the area of the figure to the nearest whole number. {$\pi =\frac{22}{7}$}

Answer Details

Area of PQRS = length x breath(7 x 10)cm2 = 70

Area of semi-circle $\frac{1}{2}\pi r^2=\frac{1}{2}\times \frac{22}{7}\times \frac{7}{2}$

= 19.5cm2 = 20cm2(appr.)

Area of the figure = (70 + 20)cm2

= 90cm2