Explain the reasons in one or two complete sentences.

1. If /̲ A and /̲ B are vertical angles, must /̲ A be equal to /̲ B ?

2. If /̲ A and /̲ B are supplementary , can /̲ A and /̲ B be vertical angles too ?

3. If /̲ A and /̲ B are complementary, can /̲ A and /̲ B be vertical angles too ?

PLS PA ANSWER PO.THANK YOU IN ADVANCE