Question

A cyclic quadrilateral ABCD twice the measure of angle A is thricethe measure of angle C find angle C

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

In a cyclic quadrilateral, the opp angles r supplementary. Thus

Angle A + angle C = 180

Now, 2*angle A = 3*angle C

Angle A = 1.5 * angle C

Putting this value in earlier equatin

1.5 angle C + 1 angle C = 180

Angle C =180/2.5

= 72°

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