Let alpha, beta, gamma, delta and let , , , and be the vertices of a parallelogram ABCD. If and the points A and C lie on the line , then is equal to:
- A
- B
- C
- D
Let alpha, beta, gamma, delta and let , , , and be the vertices of a parallelogram ABCD. If and the points A and C lie on the line , then is equal to:
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