## Elementary Geometry for College Students (7th Edition)

Converse: If two angles are complimentary, then the sum of their measures is 90$^{\circ}$. (true) Inverse: If the sum of the measures of two angles is not 90$^{\circ}$, then the two angles are not complimentary. (true) Contrapositive: If two angles are not complimentary, then the sum of their measures is not 90$^{\circ}$. (true)