Three angles of a quadrilateral are equa...

Three angles of a quadrilateral are equal. Fourth angle is of measure 120°. What is the measure of equal angles?

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NCERT EXEMPLAR-UNDERSTANDING QUADRILATERALS AND PRACTICAL GEOMETRY-EXERCISE

Find the measure of an are exterior angle of a regular pentagon and an...
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In the figure, find the value of x.
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Three angles of a quadrilateral are equal. Fourth angle is of measure ...
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In a quadrilateral HOPE, PS and ES are bisectors of angleP and angleE ...
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ABCD is a parallelogram. Find the value of x, y and z.
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Diagonals of a quadrilateral are perpendicular to each other. Is such ...
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ABCD is a trapezium such that AB||CD, angleA : angleD = 2 :1, angleB :...
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A line l is parallel to line m and a transversal p interesects them at...
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ABCD is a parallelogram. The bisector of angle A intersects CD at X an...
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A diagonal of a parallelogram bisects an angle. Will it also bisect th...
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The angle between the two altitudes of a parallelogram through the ver...
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ABCD is a rhombus such that the perpendicular bisector of AB passes th...
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ABCD is a parallelogram. Points P and Q are taken on the sides AB and ...
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In parallelogram ABCD, the angle bisector of angleA bisects BC. Will a...
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A regular pentagon ABCDE and a square ABFG are formed on opposite side...
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Find the maximum number of acute angles that a convex quadrilateral, a...
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In the following figure, FD||BC||AE and AC||ED. Find the value of x.
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In the following figure, AB||DC and AD = BC. Find the value of x.
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Construct a trapezium ABCD in which AB||DC, angleA = 105°, AD = 3 cm, ...
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Construct a parallelogram ABCD in which AB = 4 cm, BC = 5 cm and angle...
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