In the given figure, PQRS is a square and TQUV is another square inside it in a corner. If VQ = 4/9QS, find the ratio of the area of the triangle VSU to the area of PQRS
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OpenStudy (anonymous):
OpenStudy (anonymous):
@vishweshshrimali5
OpenStudy (vishweshshrimali5):
Hi sorry for being late in responding :)
OpenStudy (vishweshshrimali5):
First of all can you calculate the area of PQRS ?
OpenStudy (anonymous):
its k.i am also late.
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OpenStudy (anonymous):
81/32
OpenStudy (anonymous):
sq=9/4vq
so area of square =81/32
OpenStudy (anonymous):
@vishweshshrimali5 is it right?
OpenStudy (vishweshshrimali5):
@neer2890 can you please have a look at this problem. I am busy at other problem.
OpenStudy (neer2890):
ok.
we know that
VQ= 4/9 QS
QS=9/4 VQ
|dw:1405583906234:dw|
now we can use pythagorean theorem to find the side of square.
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OpenStudy (neer2890):
2x^2=81/16 (VQ)^2
x^2=81/32(VQ)^2
and we know that area of square =x^2
OpenStudy (neer2890):
\[so .area. of .\square. PQRS=\frac{ 81 }{ 32 }(VQ)^{2}\]
OpenStudy (anonymous):
yes.ov=vq/2=4/9qs/2=2/9qs
OpenStudy (anonymous):
so small square area=8/81(qs)^2
OpenStudy (neer2890):
hmm.
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OpenStudy (neer2890):
ok..now i'm not very much good at geometry.,
there may be a shortcut to it here..
But as much i know
To find the area of triangle VSU
SV=SQ-VQ
SV=QS-4/9QS
SV=5/9QS