Triangles are three-sided polygons that have three angles. In this article, we will explore different methods to calculate the angle of a triangle, including the use of trigonometric functions and ...

A right triangle is a special type of triangle that has one angle measuring 90 degrees. In this article, we will look at how to calculate the other two angles of a right triangle using trigonometry ...

A scalene triangle has 3 sides of different lengths and 3 unequal angles. An isosceles triangle has 2 sides of equal length. The dashes on the lines show they are equal in length. The angles at the ...

The angles inside a shape are called interior angles. If the side of a triangle is extended, the angle formed outside the triangle is the exterior angle.