Answer
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)
Work Step by Step
Switch the hypothesis and conclusion for the converse. Negate the hypothesis and conclusion for the inverse. Switch and negate the hypothesis and conclusion for the contrapositive.