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TRINA DAS

· started a discussion

· 1 Months ago

Clarify (Question:328778.0)

It is not given in the question that SN is perpendicular to QR. How is it predicted?

Question:

     In the given figure, PQRS is a trapezium in which PM||SN, NR=9cm, PS=12cm, QM=NR and NR=SN. What is the area (in cm2) of trapezium?

Options:
A)

     170

B)

     182

C)

     189

D)

     191

Solution:

  

PS = 12 cm

QR = 9 + 12 + 9 = 30 cm

SN = 9cm

Area of trapezium =  12PS+QR×SN   

=1230+12×9=189cm2   

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