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Question

Construct a quadrilateral ABCD when BC = 5.5 cm, CD = 4.1 cm, ∠A = 70°, ∠B = 110° and ∠D = 85°.

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Solution

We know that the sum of all the angles in a quadrilateral is 360.i.e., A+B+C+D=360°C=95°Steps of construction:Step I: Draw BC=5.5 cm.Step II: Construct XBC=110° at A and BCY=95°.Step III: With C as the centre and radius 4.1 cm, cut off CD=4.1 cm.Step IV: At D, draw CDZ=85° such that it meets BY at A.The quadrilateral so obtained is the required quadrilateral.


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