kasimmerchant885 kasimmerchant885 26-04-2021 Mathematics contestada ∠A and \angle B∠B are complementary angles. If m\angle A=(x+10)^{\circ}∠A=(x+10) ∘ and m\angle B=(3x+28)^{\circ}∠B=(3x+28) ∘ , then find the measure of \angle B∠B.