sajohnson154 sajohnson154 17-02-2022 Mathematics contestada ∠A and \angle B∠B are complementary angles. If m\angle A=(2x+10)^{\circ}∠A=(2x+10) and m\angle B=(3x+15)^{\circ}∠B=(3x+15) , then find the measure of \angle B∠B.
