fernandog2915 fernandog2915 29-09-2022 Mathematics Answered ∠A and \angle B∠B are supplementary angles. If m\angle A=(3x-10)^{\circ}∠A=(3x−10) ∘ and m\angle B=(8x-19)^{\circ}∠B=(8x−19) ∘ , then find the measure of \angle A∠A.