Answer:
you sure it's asking volume, not area?
4.) area = 1/2 (pi*r^2)
= 1/2 (pi*22^2)
= 1/2 (pi * 484)
= 1/2 (1519.76)
= 759.88
5.) area = 1/2*b*h
= 1/2*(20.4)*(14.6)
6.) area = 1/2 * (B1+B2) * h
= 1/2 (33+25) * h
h = Pythagorean theorem = 16.1245
= 1/2*(58)*16.1245
