Imprimer Test: Sphere (Matemáticas - 7º - Secundaria - volumen

1.

Determine the formula for the area of the sphere

A.

A=bxh

B.

A_c = 4π(r)^2

C.

A_c = 4π(r)^3

D.

A_c = 4n(r)^2

2.

The community board of the El Salto neighborhood wants to fill a container with water that is shaped like spheres for each house, to reduce the scarcity of water that occurs. Each container is 2cm. How much water would you give per house?

A.

V_c=33,51〖,cm〗^2

B.

V_c=33,51〖,cm〗^3

C.

V_c=30,41〖,cm〗^3

D.

V_c=30,41〖,cm〗^2

3.

The community board of the El Salto neighborhood wants to fill a container with water in the shape of spheres for each house, to reduce the water shortage that arises. Each container is 2 cm. If you want to fill 10 containers, how much water do you need?

A.

V_c=330,12〖cm〗^2

B.

V_c=202,12〖cm〗^3

C.

V_c=302,12〖cm〗^3

D.

V_c=402,12〖cm〗^3

4.

Determine the volume formula

A.

B.