3D Trigonometry

Here, we have a collection of videos, games, activities and worksheets that are suitable for GCSE Maths.

How to solve problems that involve 3D shapes using trigonometry and the Pythagoras' Theorem.

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GCSE Maths 3 D Trigonometry A* Question

ABCDEFG is a solid cuboid.
a) Find the length BE
b) Calculate the angle that BH makes with the plane ABFE

IB Math Studies: 3D Trigonometry
A room is in the shape of a cuboid. Its floor measures 7.2m by 9.6m and its height is 3.5m.
a) Calculate the length of AC
b) Calculate the length of AG
c) Calculate the angle that AG makes with the floor

Trigonometry and Pythagoras in 3D Shapes
Calculating an angle between an edge and plane in a 3D shape using pythagoras and trigonometry.

AddMaths Ex8A Q1 Angle between a line and a plane

3D Trigonometry Problem
The worked solution to a three-dimensional trigonometry problem. A tree on the far side of a river bank is used to determine the width of the river with the help of a few right angle triangles.

3D trig pythagoras cuboid Part 1
ABCDEFGH is a cuboid with dimensions 4m, 2m and 1.5m. X is the midpoint of the side EF. Find the lengths AC, AG and AX. Find the angles GAC and AXB.

3D Trig pythagoras cuboid part 2

3D Trig pythagoras cuboid part 3

3D Trig pythagoras cuboid part 4

3D trig pythagoras cuboid part 5

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