Please Experts ans it fast. Please Experts ans it fast. trapezium - Find the Share with your friends Share 0 Pranay Loya answered this Dear Student, ∠A+∠D=180° (Angles on same side of transversal are supplementary)2x+3x=180°5x=180°x=1805=36°∠A=36(2)=72°∠D=36(3)=108°Also,∠A=∠B =72° (Base Angles of an isosceles trapezium)Also,∠A+∠B+∠C+∠D=360° (Angle sum property of a quadrilateral)72+108+y+72=360252+y=360y=360-252=108° Regards 0 View Full Answer