Thread: Triangle CAT
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Old December 2nd, 2008, 11:58 PM
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Let the base angles are 2x and 2x so the angle at the vertex=x

2x+2x+x=180^0

5x=180^0

x=36^0

2x=72^0

So angles are 72^0,72^0,36^0

So it is a ...... Acute triangle
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