Trigonometry
Hong Kong
Stage 1 - Stage 3
Trigonometry in 3D
Interactive practice questions
A square prism has sides of length $3$3cm, $3$3cm and $14$14cm as shown.
a
If the diagonal $HF$HF has a length of $z$z cm, calculate $z$z to two decimal places.
b
If the size of $\angle DFH$∠DFH is $\theta$θ°, find theta to two decimal places.
Easy
Approx 5 minutes
The following is a right pyramid on a square base with side length $12$12cm. A right pyramid has its apex aligned directly above the centre of its base.
The edge length $VA$VA is $23$23cm.
All edges of the following cube are $7$7 cm long.
A rectangular prism has dimensions as labelled on the diagram.
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