# Geometry

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Which of the following can be used to describe the triangle with the vertices listed below?

F(-1, 2), G(-10, 2), H(-12, -11)

I. acute
II. obtuse
III. right
IV. scalene
V. isosceles
VI. equilateral

• Geometry -

F and G lie on the same horizontal line.
H lies a bit to the left of G, and well below it.

That makes angle FGH obtuse.
If only one answer may be chosen, then (II)

FG=9
FH=17.02
GH=13.15
So, (IV) is also true

• Geometry -

http://www.jiskha.com/display.cgi?id=1332712679

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