Question

please help me in solving this problem ​

Answer 1

Answer:

78.5

Step-by-step explanation:

hope it helps ☺️☺️ full explanation in attachment

Answer 2

Answer:

78.5m^2

Step-by-step explanation:

Find the area of the circle using the formula πr^2 then divide it by 2 because it's just a half circle the find the area of the one semi -circle no need the other one because when you get the area of the first it's count as 2 because you only need the half so no need ,...then subtract the answer from the area of the large circle.