isosceles
/ai'sɔsili:z/
Definition
- Adjective:
- (Geometry) Having two sides of equal length: The term "isosceles" is used specifically to describe a triangle that has two sides of equal length. The angles opposite these equal sides are also equal.
Usage Examples
- Adjective:
Advanced Usage
- "Isosceles right triangle": A specific type of isosceles triangle where the two equal sides form the right angle, making the base angles each 45 degrees.
Variants and Related Words
- Isosceles trapezoid (n): A trapezoid (a quadrilateral with one pair of parallel sides) whose non-parallel sides (legs) are of equal length.
Synonyms
- Equilateral (adj): Having all sides equal. (Note: This is a related but distinct term; an equilateral triangle is a special case of an isosceles triangle where all three sides are equal.)
Antonyms
- Scalene (adj): (Of a triangle) having all sides of different lengths.
Adjective
-
(of a triangle) having two sides of equal length
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