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 ...

You can measure your own step length with a tape measure or a ruler in order to calculate the number of steps it would take you to reach a mile. Simply divide 5,280 feet (63,360 inches ...