How to Understand the Properties of Isosceles and Equilateral Triangles
The angles opposite the equal sides are congruent. The altitude drawn to the base bisects both the base and the vertex angle. All interior angles are congruent and each measures \(60^\circ\). All altitudes (or heights) are congruent. Every equilateral triangle is also equiangular. Examples Practice Questions: Calculate the area and perimeter of an isosceles triangle […]