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Measurement
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Hong Kong
Stage 1 - Stage 3

Surface Area of Composite Solids

Lesson
Practice

Interactive practice questions

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.

A three-dimensional diagram of a composite figure. The structure has a rectangular prism base with dimensions measured 10 m in length, 5 m in width, and a height of 6 m. Attached to the top of the rectangular prism base is a triangular prism, which adds an additional 3 m to the structure’s height. A dashed line indicates the height of the triangle, perpendicular to the base of the triangle. Each of the slanting sides of the triangular base has a single hash mark.

 

Easy
6min

Find the surface area of the prism shown.

Round your answer to two decimal places.

Easy
4min

Find the surface area of the figure shown, rounded to two decimal places.

Easy
4min

We want to find the surface area of this shape. Assume that both boxes are identical in size.

Easy
7min
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