There are two ways to construct a triangle using a ruler and a protractor. The first is a Side, Angle, Side (SAS) construction where two sides and the angle between them is known. The second is an ...

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 ...