Question

Question #52a3e

Answer 1

see explanation.

Explanation:

a) pink area `= pi(1/4s)^2=1/16pis^2`

b) area 5 `(A_5)` = area 6 `=1/4s^2-1/4pi(1/2s)^2`
`= (1/4-1/16pi)s^2`

area 3 `=1/4s^2-2*A_5`
`=1/4s^2-2*(1/4-1/16pi)s^2`
`=(1/8pi-1/4)s^2`

c) green area `=1/4pis^2-1/2(1/2s*s)`
`=(1/4pi-1/4)s^2`