ABCD is a trapezium in which AB is parallel to DC. The vertices A, B, C and D pass through a circle. Which of the following are correct ?

1. AD = BC

2. ∠A + ∠C = 180°

3. ∠A + ∠D = 180°

Select the correct answer using the code given below

Mathematics 2022 CDS Mathematics 2022 CDS 2022

Options