Volume and surface area of Spheres with other Solids Grade 8

Calculate the volume of the solid hemisphere below.

Give your answers to two significant figures.

• 17 cm³

• 16.75 cm³

• 12 cm³

• 11.65 cm³

Calculate the total surface area of the solid hemisphere below. Give your answers to two significant figures.

• 38 cm²

• 37.69 cm²

• 32 cm²

• 31.61 cm²

Calculate the volume of the solid hemisphere below.

Give your answers to two significant figures.

• 2800 cm³

• 2786.64 cm³

• 2432.41 cm³

• 2500 cm³

Calculate the total surface area of the solid hemisphere below. Give your answers to two significant figures.

• 1100 cm²

• 1140.39 cm²

• 1320 cm²

• 1140 cm²

Calculate the volume of the compound solid below. Give your answers to two significant figures.

• 2900 cm³

• 2873.5 cm³

• 2870 cm³

• 2921 cm³

Calculate the total surface area of the compound solid below. Give your answers to two significant places.

• 1100 cm²

• 1077 cm²

• 1077.57 cm²

• 1078 cm²

The volume of a sphere is 343π cm³.

Find the radius of the sphere, correct to two decimal places.

• 6.36 cm

• 12.4 cm

• 3.25 cm

• 6.03 cm

The volume of a solid hemisphere is 144π cm³.

Find the radius of the hemisphere.

• 6 cm

• 12 cm

• 18 cm

• 3 cm

Calculate the volume of the compound shape shown in the diagram.

Give your answer to the nearest whole number.

• 377 cm³

• 120 cm³

• 120.25 cm³

• 376.97 cm³

A spherical golf ball has a diameter of 4 cm. Find the volume of the golf ball, in terms of π.

•  $\frac{32}{3}\pi\ \ cm^3$  

•  $\frac{8}{3}\pi\ \ cm^3$  

•  $\frac{16}{3}\pi\ cm^3$  

•  $\frac{32}{9}\pi\ cm^3$