Q. 255.0( 1 Vote )

ABCD is a parallelogram in which diagonal AC bisects BAD. If BAC =35°, then ABC =
A. 70°

B. 110°

C. 90°

D. 120°

Answer :

Given: ABCD is a parallelogram

AC is a bisector of angle BAD


BAC = 35°


A = 2 BAC


A = 2 (35°)


A = 70°


A + B = 180° (Adjacent angles of parallelogram are supplementary)


70 + B = 180°


B = 110o

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