Respuesta :

choixongdong
8a
TSA = 2πrh + 2πr^2
TSA = 471 + 157 (or 150π + 50π)
TSA = 628 cm^2 (or 200π)


8b

628 x $3 = $1884
cost = $1884

8c.

V = πr^2h = π 5^ 5 (15) = 375π (or 1177.5 if use π = 3.14)