For example, the formula to work out the area of a triangle. \(\text{Triangle area} = \frac{bh}{2}\) (where \(b\) represents the base of the triangle and \(h\) represents the height of the triangle).

For a right-angled triangle, follow these steps to calculate the length of a side, \(x\), when another side and an angle Ɵ is given: Formula triangles can be used to help with rearranging the ...