Find the area of the enclosed region, PXROY correct to the nearest whole number
-
A.
96cm2 -
B.
116cm2 -
C.
154cm2 -
D.
192cm2 -
E.
385cm2
Correct Answer: Option A
Explanation
Area of the bigger semi circle P x RO =
πr22
=
227
x
492
= 77cm2
2nd Area of the smaller circle DYO =
227
x
3.522
= 19.25
Total Area = 77 + 19.25 = 96.25 = 96.00