Find the area of the enclosed region PXROY corr... - WAEC Mathematics 1991 Question
Find the area of the enclosed region, PXROY correct to the nearest whole number
A
96cm2
B
116cm2
C
154cm2
D
192cm2
correct option: a
Area of the bigger semi circle P x RO =
πr2/2 =
22/7 x
49/2 = 77cm2
2nd Area of the smaller circle DYO =
2nd Area of the smaller circle DYO =
22/7 x
3.52/2 = 19.25
Total Area = 77 + 19.25 = 96.25 = 96.00
Total Area = 77 + 19.25 = 96.25 = 96.00
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