A diagram of an isosceles triangle with two equal sides labeled as "a" and a base labeled as "b." The height, "h," is shown as a dotted line, and formulas for area and perimeter are displayed.

Diagram of an isosceles triangle, highlighting the equal sides, base, height, and formulas for calculating area and perimeter.

Isosceles Triangle

Category: Geometry Date: November 16, 2024

What is an Isosceles Triangle?

An isosceles triangle in geometry is a triangle with at least two sides of equal length and the angles opposite those sides also equal.