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

The sides of right-angled triangles are labelled opposite, hypotenuse and adjacent. Trigonometry explores the relationship between sides and angles in right-angled triangles. The hypotenuse is the ...

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

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 ...