A: What is the smallest increment on the voltmeter? B: What is the uncertainty?
Select two answers: one for question A and one for question B.
B: 50 V
B: 5 V
A: 10 V
A: 1 V
B: 0.5 V
A: 100 V

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.