) ABCD is a rhombus such that ∠ACB = 40º. Then ∠ADB is
A. 40º
B. 45º
C. 50º
D. 60º
Answer:C
) ABCD is a rhombus such that ∠ACB = 40º. Then ∠ADB is
A. 40º B. 45º C. 50º D. 60º
Explanation: We know that the diagonals of the rhombus bisect each other perpendicularly.