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Grade 9

5.04 Right triangles in 3D

Interactive practice questions

All edges of the following cube are $7$7 cm long.

a

Find the value of $x$x.

Round your answer to two decimal places.

b

Use your answer from part (a) to find $y$y.

Round your answer to two decimal places.

Easy
4min

A square prism has sides of length $8$8cm, $8$8cm and $13$13cm as shown.

Easy
3min

A rectangular prism has dimensions as labelled on the diagram.

Easy
7min

Isabelle has a pencil box with the dimensions $11$11 cm by $8$8 cm by $7$7 cm, as shown in the figure.

Easy
4min
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Outcomes

9.E1.5

Solve problems involving the side-length relationship for right triangles in real-life situations, including problems that involve composite shapes.

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