IS the data sufficient?

Geometry Level 3

Given that A B C D ABCD is a quadrilateral in which side A D = B C AD=BC and side A B AB is parallel to D C DC and ∠ A D C = 7 0 ∘ \angle ADC = 70^\circ . Find the measure of ∠ B C D \angle BCD in degrees.

110 110 Insufficient data None of these choices 70 70

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1 solution

In the question it is not given whether the parallel sides are equal or not. If the parallel sides are equal then the quadrilateral is a parallelogram and the required angle is 110. If the parallel sides are not equal then the quadrilateral is a isosceles trapezium and the required angle is 70

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T h e o r y O F A s s u m p t i o n Theory OF Assumption didn't worked!!

Harsh Shrivastava - 6 years, 3 months ago

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