quadrilateral

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Chrystelle
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Topic: quadrilateral

Fri Jan 12, 2007 7:58 am

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Quadrilateral PQRS has PQ=QR=RS=5, If angle R=90 and angle Q=135 what is the area of the quadrilateral?

thankont
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Fri Jan 12, 2007 10:27 am

If you know the answer is it --> 25*sqrt(2)/4 ?

Chrystelle
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Sun Jan 14, 2007 10:40 am

don't hav the anwer.

aim-wsc
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Sun Jan 14, 2007 11:10 am

Chrystelle wrote:

Quadrilateral PQRS has PQ=QR=RS=5, If angle R=90 and angle Q=135 what is the area of the quadrilateral?

take a look at the figure
split the quadrilateral into two triangles namely PQS and SRQ

both triangles are right angle triangles
that makes the problem easy.
now i want you to try this one more time...
present your explanation Smile