Everything Maths Grade 10

6 cm

11 cm

6.The figure here is a triangular prism. The height of the prism is 12 units; the triangles, which both contain
right angles, have sides which are 5, 12 and 13 units long. Determine the volume of the figure.

13

12

5

12

7.The figure here is a rectangular prism. The height of the prism is 5 units; the other dimensions of the

prism are 12 and 5 units. Calculate the volume of the figure.

5

12

5

8.The picture below shows a cylinder. The height of the cylinder is 12 cm; the radius of the cylinder is
r=7 cm. Calculate the volume of the figure. Round your answer two decimal places.

7 cm

12 cm

9.The figure here is a sphere. The radius of the sphere isr=7 units. Find the surface area of the figure.
Round your answer two decimal places.

Chapter 13. Measurements 459