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 ...

Calculating an angle The three trigonometric ratios can be used to calculate the size of an angle in a right-angled triangle.

National 5 Calculating the area of a triangle using trigonometry Area of triangle Trigonometry can be used to find the area of a triangle when you know the length of two sides and the included angle.