Question

In the parallelogram triangle ABCD, angle D=5x, angle DAC = 40
and angle ACD = 3x. Find the angles of triangle ABC.​

Answer 1

• refer attachment then refer this below

x = 20°

∠D = 5x = 5 × 20 = 100°

∠D = 100°

•°• ∠ABC = 100° .. {∠A = ∠D opposite angles}