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AB = x, BC = y, and CA = y - 4

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AB = x, BC = y, and CA = y - 4

by sanju09 » Fri Jul 30, 2010 4:04 am
In triangle ABC, AB = x, BC = y, and CA = y - 4. Which of the three angles of triangle ABC is the smallest?

1. y = x + 5.
2. x = 6.

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by selango » Fri Jul 30, 2010 4:17 am
AB=x

BC=y

CA=y-4

stmt1,

y=x+5

AB=x,BC=x+5,CA=x+1

BC>CA>AB

AB is small side.Angle C is smallest.

Suff

stmt2,

x=6

No info abt y

Insuff

Pick A
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