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Question

Construct a quadrilateral PQRS where PQ=3.5 cm, QR=6.5 cm, P=R=105 and S=75

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Solution

P=105,R=105 and S=75
But P+R+S=360
(Sum of angles of a quadrilateral)
105+Q+105+75=360
285+Q=360
Q=360285=75
steps of construction:
(i) Draw a line segments PQ =3.5 CM.


(ii) At P. draw a ray PX making an angle of 105
(iii) At Q, draw another ray QY, making an angle of 75 and cut off QR=6.5^\circ\)
(iv) At R, draw a ray RZ making an angle of 105 which intersects PX at S.
Then PQRS is the required quadrilateral.


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