Area of Triangle Formula: In this article, we cover the definition of triangle and its various types based on the angles and length of side. Besides, we will see how to calculate the area of a ...

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: Label the two sides that contain information in the diagram with ...

An isosceles triangle will have two angles the same size. In an equilateral triangle, all angles will be 60°. A right-angled triangle will have one angle that is 90°, which means the other two ...

Everyone learns the number one rule about triangles in high school: the angles of a triangle add up to 180 degrees. But did you know that sometimes they don't? Triangles are much more interesting ...