###### Asked in Math and ArithmeticGeometry

Math and Arithmetic

Geometry

# Is a triangle supplementary or complementary?

## Answer

###### Wiki User

###### February 23, 2013 7:22PM

**Supplementary:** two or more angles equal *180
degrees.*

**Complementary:** two or more angles equal *90
degrees*.

All three angles of a triangle will always add up to 180
degrees, therefore it is **supplementary.**

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