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if anyone can help me solving this ques.

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by jagmohi » Sun Jul 12, 2009 7:20 pm
Q: The equilateral triangle has a perimeter of 18 inches and is surrounded by a border √3 inches thick. what is the area of the border?

a) 18√3
b) 21√3
c) 24√3
d)27√3
e)36√3
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by nitya34 » Sun Jul 12, 2009 9:54 pm
border is of √3 inches or 3 inches??pls check

Area is [Root(3)/4][(side2)^2-(side1)^2]


i am getting d)27√3
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by jagmohi » Mon Jul 13, 2009 4:26 am
thanks a lot you are right....ans is 27root3

The border is root 3. But I didnt get the calculation part...

Can you please explain it in detail
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can one solve this data sufficiency ques

by jagmohi » Mon Jul 13, 2009 11:13 am
Any decimal that has only a finite number of nonzero digits is a terminating decimal. For example, 36, 0.72, and 3.005 are terminating decimals.
If a, b, c, d and e are integers and p = 2a3b and q = 2c3d5e, is p

q a terminating decimal?



(1) a > c

2) b>d
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Hi Nitya....

by struggling_guy2001 » Tue Jul 14, 2009 1:13 am
Can you tell me how did you get the measurement of bigger side .... i.e. the side measurement of big triangle?
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by zenithexe » Tue Jul 14, 2009 3:14 am
See attached, I wish photoshop had spell checks
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TrianglAreaQuestion copy.jpg
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Zentih...

by struggling_guy2001 » Tue Jul 14, 2009 3:46 am
Hey Zenith,

Can you tell me.. how did you manage to draw the triangles, circles etc.. can you tell me the software which you used...
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by zenithexe » Tue Jul 14, 2009 6:11 pm
I'm using Photoshop CS2, I'm sure there are more programs out there that can do the same thing, I'm just using Photoshop coz I have it installed in my PC

btw

jagmohi, you should post only one question per post.
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