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Mathematics 11 Online
OpenStudy (anonymous):

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

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.

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.

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.

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

OpenStudy (anonymous):

sv=height,vu=base

OpenStudy (neer2890):

|dw:1405585009341:dw|

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