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Find the missing side of the triangle

Find the missing side of the triangle-example-1
User Lpiepiora
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1 Answer

19 votes
19 votes
Pythagorean Theorem: a² + b² = c²

9² + x² = 15²

81 + x² = 225

x² = 225 - 81

x² = 144

x = √144

x = 12 in
User Richard De Ree
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