Question

Ignore the shimejis. And tell me if there is a calculator for this thing. Thanks!

Answer 1

Answer is,

19.42

Hope that helped

Answer 2

the correct answer 19.42

circumference of a circle= 2(3.14)r
2(3.14)(3)=18.84 but its half a circle so divide by 2 18.84/2=9.42
9.42+6+4=19.42