ABCD is a parallelogram. \(\overline{\mathbf{A O}}\) and \(\overline{\mathbf{B O}}\) are bisectors of ∠A and ∠B, then ∠AOB =
A. 90°
B. 120°
C. 180°
D. 360°
Answer:A
ABCD is a parallelogram. \(\overline{\mathbf{A O}}\) and \(\overline{\mathbf{B O}}\) are bisectors of ∠A and ∠B, then ∠AOB =
A. 90° B. 120° C. 180° D. 360°