The circumference of the circle and teh perimeter of the square is equal and the ratio between the diameter of the circle and the side of the square is 7 :11 . What is the area of the circle ?
A
154 cm2
B
160 cm2
C
132 cm2
D
Can't be determined
Correct Answer: Can't be determined
2*pi*r = 4*a r/a = 4/(2*pi) = 4/(2*22/7) = 7/11 —— 2r:a = 7:11 r/a = 7/22