The two adjacent angle of a quadrilateral are 75° and 125°.the other two angle are equal find the measure of each angle.
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Step-by-step explanation:
Sum of all angles of a quadrilateral=360°
In quadrilateral ABCD,
∠A+∠B+∠C+∠D=360°
75°+125°+x+x=360°
200°+2x=360°
2x=360°-200°
2x=160°
x=160°/2
x=80°
∠C=80°
∠D=80°
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