1.

In a quadrilateral ABCD, ∠A=90∘,∠B=3x,∠C=3x+5,∠D=8x−15. Then the value of ∠D is

Answer»

In a quadrilateral ABCD, ∠A=90∘,∠B=3x,∠C=3x+5,∠D=8x−15. Then the value of ∠D is





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