Transversal r intersects lines p and q to form 8 angles. The angles formed with line p, clockwise from top left are 1, 5, 6, 2. The angles formed with line q, clockwise from top left are 3, 7, 8, 4. Which angles are corresponding angles? Select all that apply.
∠1 and ∠3
∠6 and ∠8
∠2 and ∠8
∠5 and ∠7
∠2 and ∠7
∠3 and ∠6