Complementary angle is a mathematical term. Generally speaking, when the sum of two angles is 90, these two angles are called "complementary angles" or "complementary angles" for short. For example, ∠A+∠A+∠B = 90° on the left, then ∠ A and ∠B are complementary angles to each other.

Chinese name

complementary angle

Foreign name

complementary angle

field

Geometry and trigonometric functions

subject

mathematics

abbreviate

complemental

explain

The sum of these two angles is 90 degrees.

describe

Quantitative relationship between two angles