Let's delve into the world of geometry, specifically triangles, and learn how to calculate the length of side BC in a triangle, rounding the answer to the nearest tenth. This process involves applying ...

Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing angle in a right-angled triangle when two sides are known. An understanding of the three ...

The three angles in a triangle add up to \(180^\circ\). If two of the angles are known then the third can be calculated by following these steps: Add the two known angles together. Subtract the total ...

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