Question

ABCD is a trapezium in which AB ‖ CD. If angle A = 60° and angle B = 100°. Find the measure of C and D.​

Answer 1

Answer:

AB I I CD, we have  

∠A+∠D=180 (∵ angles at the same side of transversal)  

⇒∠D=180 ∘  

−60 ∘  

=120 ∘

I hope it's helpful