amiraluvdmr amiraluvdmr 18-12-2020 Mathematics contestada ∠A and \angle B∠B are supplementary angles. If m\angle A=(6x-30)^{\circ}∠A=(6x−30) ∘ and m\angle B=(8x+28)^{\circ}∠B=(8x+28) ∘ , then find the measure of \angle A∠A.