adjective
isosceles
eye-SAH-suh-leez/aɪsˈɔsʌlˌiz/
Having two sides of equal length.
An isosceles triangle has two sides of the same length.
Etymology
The Greek components mean “equal legs.” In geometry, those legs are the two sides of a triangle that match in length.
In context
the magnitude of our velocity vector, and these are both equal to the speed V. As both of these sides are equal we also know that our triangle is an isosceles triangle.
More examples
- She draws an isosceles triangle with two five-inch sides.
- The roof forms an isosceles triangle above the front door.
- The two equal angles show that this triangle is isosceles.
Similar words
- equilateral
- Requires all sides to be equal, not merely two.