Answer:
26.85 mm^2
Step-by-step explanation:
well p=4a
so 2x4 = 8
p of a circle is p = 2πr ---> so 6x3.14x2 = 37.7
divide that by 2 cause its a half circle so =18.85
18.85 + 8 = 26.85
22.85 mm 2
