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Measurement
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Key Stage 4

Surface Area (combined set)

Lesson
Practice

Interactive practice questions

Find the surface area of the triangular prism shown.

A triangular prism with the measure of dimensions labeled. The triangular face base of the triangular prism has base that measures 12 cm, and height that measures 8 cm indicated by a dash line segment drawn perpendicularly from the base to the opposite vertex. The two sides of the triangular face base have an equal length of 10 cm each as indicated by the same single hash mark. The width of the two lateral rectangular faces both measures 10 cm while the other rectangular face has width that measures 12 cm. The length of the rectangular faces measures 21 cm.

Find the total surface area of the triangular prism shown.
Easy
2min

The dimensions of a trapezoidal prism are given in the following diagram (not drawn to scale):

Easy
3min

Find the surface area of the figure shown.

Give your answer to the nearest two decimal places.

Easy
6min

In the diagram, the roof has a height of $3$3 metres. Find the surface area of the figure shown,

Round your answer to two decimal places.

Easy
6min
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