In the diagram above QR is in the diameter of t... - JAMB Mathematics 2006 Question
A
89 cm2
B
70 cm2
C
90 cm2
D
80 cm2
correct option: c
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
= 10 x 7 = 70 cm2
Area of semi circle
QR = Dπ = 7 x 22/7 = 22cm2
∴Area of the figure = 70 + 22
= 92cm2
= 90cm2
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