CALCULATOR INSTRUCTIONS
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Input 3 triangle side lengths (A, B and C), then click "ENTER". This calculator will determine whether those 3 sides will form an equilateral, isoceles, acute, right or obtuse triangle or ***no* triangle at all.

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Without Using The Calculator**

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When given 3 triangle sides, to determine if the triangle is acute, right or obtuse: **

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1) Square all 3 sides.**

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2) Sum the squares of the 2 shortest sides. **

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3) Compare this sum to the square of the 3rd side.**

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if sum > 3rd side² Acute Triangle**

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if sum = 3rd side² Right Triangle**

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if sum < 3rd side² Obtuse Triangle**

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