Prealgebra (7th Edition)

The complement is $65^{\circ}$
Two angles are complementary if they add up to $90^{\circ}$. This means we have to find $\angle A$, where: $25^{\circ}+\angle A=90^{\circ}$ $\angle A=90^{\circ}-25^{\circ}$ $\angle A=65^{\circ}$