#4) a) rectangular area = 3m x 12m = 36 m2
semi-circular area = ½·pi·52 = 39.3 m2
total = 75.3 m2
b) $ 70 x 75.3 = $5271.
c) 100 mm = 0.1 m
volume = 75.3 m2 x 0.1 m = 7.53 m3
Hey Geno!
I am having confusion about which one is a,b,c and d.
If you can kindly edit your answer again, it would be very helpful!
~HyperYauFarer~