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quadrilateral

This topic has 3 member replies
Chrystelle Junior | Next Rank: 30 Posts Default Avatar
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quadrilateral

Post Fri Jan 12, 2007 6:58 am
Elapsed Time: 00:00
  • Lap #[LAPCOUNT] ([LAPTIME])
    Quadrilateral PQRS has PQ=QR=RS=5, If angle R=90 and angle Q=135 what is the area of the quadrilateral?

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    thankont Senior | Next Rank: 100 Posts
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    Post Fri Jan 12, 2007 9:27 am
    If you know the answer is it --> 25*sqrt(2)/4 ?

    Chrystelle Junior | Next Rank: 30 Posts Default Avatar
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    Post Sun Jan 14, 2007 9:40 am
    don't hav the anwer.

    aim-wsc Legendary Member
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    Post Sun Jan 14, 2007 10:10 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
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