An isosceles triangle has two equal sides. The equal sides are called legs. The third side is called the base. The roof edges meet at a common point
Isosceles triangle has two equal sides. Angles opposite equal sides are equal. Base is the side opposite vertex angle. Perpendicular from vertex angle bisects base and apex angle
An isosceles triangle has two equal sides and angles. Base angles are opposite equal sides. The unequal side is called the base. The unequal angle is called the vertex angle
All triangle angles add up to 180°. Triangle angles are the sum of angles at each vertex. Right triangle has one 90° angle and two 90° angles totaling 90°. Isosceles triangle has two equal sides and angles. Equilateral triangle has all three angles equal to 60°
An isosceles triangle has two equal sides and angles. The base is the non-congruent side opposite the vertex angle. The altitude divides the triangle into two congruent right triangles
Isosceles triangle has at least two equal sides and angles. Every equilateral triangle is an isosceles triangle. Base angle theorem states equal sides imply equal opposite angles