Spread the loveA 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 ...

1. Understanding Triangle Basics A triangle has three angles, and the sum of these angles is always equal to 180 degrees. Knowing this fact is essential when trying to find missing angles in a ...

Angles in equilateral triangles The three angles in an equilateral triangle are equal and they add up to 180 ∘. To find the size of each of these angles divide 180 by 3. 180 ÷ 3 = 60 ∘ ...

The angles in the triangle you drew all add up to 180°. Remember, all angles on a straight line add up to 180°.

Students are often unsure why angles in the same segment of a circle have to be equal. Colin Foster explains how to make it ...