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 ...

Round (if necessary): Since 5 is a whole number, no rounding is necessary. Therefore, AB = 5. Consider a right triangle where ...

An exterior angle of a triangle is equal to the sum of the two non-adjacent interior angles. This theorem provides another ...

Pythagoras’ theorem can also be used to find the length of another side of a triangle using the hypotenuse. The square on the hypotenuse subtracted by the square on another side is equal to the square ...