Question

In a parallelogram ABCD, if ∠ = 75° ∠ = 60°,

ℎ ∠.​

Answer 1

Answer:

In Parallelogram ABCD,

∠BAD = ∠BCD = 75° [Opposite angles of a parallelogram are equal]

In ΔBCD, By angle sum property

 

∠BCD + ∠BDC + ∠CBD = 180°

 

⇒ 75°+ ∠BDC + 60° = 180°

 

⇒ ∠BDC = 45°

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Step-by-step explanation: