Isosceles triangle ... In geometry, an isosceles triangle (/ aɪˈsɒsəliːz /) is a triangle that has two sides of equal length and two angles of equal measure.

An isosceles triangle is a triangle in which at least two sides are equal. Following this fact, if two sides of a triangle are equal, then the angles opposite to those sides are also equal.

The isosceles triangle definition is a triangle that has two congruent sides and angles. To identify if a triangle is isosceles, check whether it has two congruent sides and angles; if it does, it is …

An isosceles triangle is a triangle having two sides of equal length. Learn the definition, parts, types, properties, formulas, triangle games, and much more!

In an isosceles triangle, the two equal sides are called legs, and the remaining side is called the base. The angle opposite the base is called the vertex angle, and the point associated with …

Dec 22, 2025 · An isosceles triangle is a triangle with (at least) two equal sides. In the figure above, the two equal sides have length b and the remaining side has length a.

Learn what an isosceles triangle is, its properties, formulas for area and perimeter, and how to solve related problems with clear examples.

Isosceles Triangle A triangle which has two of its sides equal in length. Try this Drag the orange dots on each vertex to reshape the triangle. Notice it always remains an isosceles triangle, the …

An isosceles triangle is a special type of triangle with two sides of equal length. These two equal sides are called "legs," and the third side is called the "base." In an isosceles triangle, the two …

Definition: An isosceles triangle is defined as a triangle having two congruent sides or two sides that are the same length. An isosceles triangle can also be an equilateral triangle, but it …