In attachment there are 8 question and i want to confirm my answers

Q1)Area(Shaded)=41

Perimeter(Shaded)=25

Q2)Area(shaded)=114

Perimeter(shaded)=6.44

Q3)Area(shaded)=490

Perimeter(shaded)=75

Q4)Area(shaded)=88.9

Perimeter(shaded)=

Q5)Area(shaded)=55

Perimeter(shaded)=14

Q6)Area(shaded)=123

Perimeter(shaded)=21

Q7)Area(shaded)=14

Perimeter(shaded)=15.5

Q8)Area(shaded)=

Perimeter(shaded)=37.5