Question

the four quadrilateral are in the ratio 1:3:7:9. which of the following is not the angle of this quadrilateral ​

Answer 1

Answer:

Therefore the angles are 18o, 54o, 126o, 162o respectively. The described quadrilateral is a trapezium because the measure of all angles is different. The above quadrilateral is not a parallelogram because in the case of a parallelogram the opposite angles are equal, which is not the case in this quadrilateral

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