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Question

PQRS is a parallelogram. X and Y are mid-point of sides PQ and RS respectively. If W and Z are point on intersection of SX & PY and XR & YQ respectively. Then show that ar (triangle YWZ) =ar ( triangle XWZ)

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Solution

Given PQRS is a parallelogram X and Y are mid points of PQ and SR respectively and PS || XY || QR
Construction Draw SMPQ
Now Area || gm XQRY Area || gm PQRS = XQ×SMPQ×SM=12PQPQ=12
\therefore Area || gm XQRY = 12 area || gm PQRS = 12×24cm2=12 cm2
Now area || gm XQYS area || gm XQRY = XQ×SMXQ×SM=1
area || gm XQYS = area || gm XQRY = 12 cm2.


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