Question

 The angles of a quadrilateral ABCD taken in an order are in the ratio 3 : 7 : 6 : 4, then ABCD is a............................... ​

Answer 1

Answer:

let the ratio be x

so 3x,7x,6x,4x

3X+7X+6X+4X= 360°

20X=360°

X=18°

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Answer 2

Answer:

Trapezium

Step-by-step explanation:

in a normal trapezium 2 adjacent Angeles are obtuse

Hence , Proved