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Question

Construct a parallelogram HEAR where HE = 5 cm, EA = 6 cm, and R=85.

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Solution

Concept :
HEAR is a parallelogram
HE=RA=5cm and EA=HR=6cm [Since opposite sides of a parallelogram are equal]
Also, R=E=85 [Since opposite angles of a parallelogram are equal]
H=(18085)=95 [Adjacent angles of a parallelogram are supplementry]

Steps of Construction:

1. Draw line segment HE = 5 cm.
2. At E construct an angle of 85. Draw an arc of length 6 cm intersecting the ray from E at A.
3. At A construct an angle of 95. Draw an arc of length 5 cm intersecting the ray from A.
4. With H as centre draw an arc of length 6 cm which intersects the earlier arc. Let it be R.
5. Join HR and AR to complete quadrilateral HEAR.


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