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if it makes a right angled triangle then

c squared = a squared + b squared

12^2 = 7^2 + 9^2

144 = 49 + 81

but 144 doesn't equal 130

so no it doesn't make a right angle triangle

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14y ago
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Q: Can the numbers 7 9 and 12 be the lengths of the sides of a right triangle?
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