Question

Calcule Ab, Al, At e V de um cilindro reto que tem R=3cm e H=8cm

Answer 1

Ab = π * r²
Ab = π * 3²
Ab = 9π cm²

Al = 2 * π* r * h
Al = 2 * π * 3 * 8
Al = 48π cm²

At = 2 * π * r (r + h)
At = 2 * π * 3 (3 + 8)
At = 2 * π * 3 * 11
At = 66π cm²

V = Ab * h
V = 9π * 8
V = 72π cm³