Besides, we will see how to calculate the area of a triangle, area of an equilateral triangle, area of an isosceles triangle and heron’s formula. Also check the solved examples.

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 ∘ ...