divide the sum of interior angles in a triangle by 3 In an isosceles triangle, two of the sides are equal. This means two of the angles are equal. These are the base angles. The base angles are ...

It categorizes triangles into equilateral, isosceles, scalene, obtuse, right, and acute based on their sides and angles. The video also covers the concept of congruency, demonstrating how two ...

Isosceles triangle. An isosceles triangle is a triangle that has two equal sides and two equal angles. The two equal angles always occur where the third non equal side meets one of the equal sides.