SOLUTION: if a quadrilateral is inscribed in a circle its opposite angles will be supplementary. find the measure of angle A if the measure of angle C=40 degrees

Question 88174: if a quadrilateral is inscribed in a circle its opposite angles will be supplementary. find the measure of angle A if the measure of angle C=40 degrees
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
If angles A and C are supplementary, and angle C is 40 degrees, then angle A is 180-40 = 140 degrees.

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