ABCD is a parallelogram in which ∠DAB = 75°, ∠DBC = 60°. Then ∠CDB =____.

ABCD is a parallelogram in which ∠DAB = 75°, ∠DBC = 60°. Then �

1.	ABCD is a parallelogram in which ∠DAB = 75°, ∠DBC = 60°. Then ∠CDB =____.
A.	45°
B.	60°
C.	30°
D.	15°
Answer» B. 60°

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ABCD is a parallelogram in which ∠DAB = 75°, ∠DBC = 60°. Then ∠CDB =____.

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