Three angles of a quadrilateral are equal,fourth angle is right angle . Find the measures of the angles.Classify the quadrilateral as convex, concave, trapezium etc.
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3x + 90 = 360
3 x = 360 - 90
3 x = 270
x = 270 / 3
x = 90
it is square or rectangle and also it is convex
3 x = 360 - 90
3 x = 270
x = 270 / 3
x = 90
it is square or rectangle and also it is convex
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