Trigonometry can be used to find the length of a side in a triangle. Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing side in a right-angled ...

The net of a 3D shape is what a shape looks like when opened into a 2D shape. The net can help to show the areas of each face that make up the surface area of a shape. The same units are needed for ...

You get to the gate faster by tying your laces on the travelator or by running on the carpet. Imagine twins T1 and T2 walking side by side on a carpet leading to the travelator. T1 stops to tie their ...