- A25
- B50
- C23
- D27
Step-by-Step Solution
AB || DC with transversal BD gives equal alternate interior angles, so angle BDC = angle ABD = 25°.
Answer: A) 25
ABCD is a parallelogram. The diagonal BD makes an angle of 25° with side AB.
Since AB is parallel to DC, find the angle that BD makes with DC (in degrees).
Class 9Properties of a ParallelogramGeometry — Quadrilaterals
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