Question 1 of 79

The figure below is created with 4 quarter circles and a square.
(a) The unshaded part marked A is enclosed by the quarter and quarter circle. Find the area of A.
(b) Find the area of the shaded figure. $(Take\pi = 3.14)$.

A
(a) 6.62 cm$^2$
(b) 9.6 cm$^2$
B
(a) 7.74 cm$^2$
(b) 9.12 cm$^2$
C
(a) 8.86 cm$^2$
(b) 11.6 cm$^2$
D
(a) 9.98 cm$^2$
(b) 11.12 cm$^2$
E
None of the above