Question

Question #b6c51

Answer 1

pink area `=44.54`

Explanation:

Let `A,B,C,D` be the areas of the respective shape, as shown in the diagram.

pink area `= A+B+C-D`
`A=1/2*5*4.6=11.5`
`B=pi*2.5^2 =19.63`
`C=5*5=25`
`D=pi*4^2*83^@/360^@=11.59`

Hence, pink area `= 11.5+19.63+25-11.59 = 44.54`