isosceles

/ai'sɔsili:z/

Thân thiện

An isosceles triangle sits on the math teacher's desk.

Definition

1. 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.

Học thuật

Adjective

1. (of a triangle) having two sides of equal length