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Diagonal BD is drawn in parallelogram ABCD.
In triangle ABD, angle ABD = 35° and angle ADB = 60°.
Using the angle sum of a triangle, find angle A of the parallelogram (in degrees).

Class 8Properties of ParallelogramsQuadrilaterals
  • A77
  • B85
  • C170
  • D93

Step-by-Step Solution

In triangle ABD, angle A = 180 - (35 + 60) = 180 - 95 = 85°. This is angle DAB of the parallelogram.
Answer: B) 85

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