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Question
Construct a quadrilateral ABCD in which ; ∠A = 120°, ∠B = 60°, AB = 4 cm, BC = 4.5 cm and CD = 5 cm.
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Solution
The rough figure is as follow :

The Actual figure is constructed as follow

Steps :
- Draw AB = 4 cm.
- At A, draw ∠PAB = 120°.
- At B, draw ∠QBA = 60°.
- From BQ, cut BC = 4.5 cm.
- From C, draw an arc of radius 5 cm which meets AP at D.
- Join CD.
Thus ABCD is the required quadrilateral.
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