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The lengths of the sides of a triangle are 9​, 12​, and 15. Classify the triangle as​ acute, right, or obtuse.

The lengths of the sides of a triangle are 9​, 12​, and 15. Classify the triangle as​ acute, right, or obtuse.
asked 57.8k views
5 votes
The lengths of the sides of a triangle are 9​, 12​, and 15. Classify the triangle as​ acute, right, or obtuse.

asked
User Anis Abboud
by
9.1k points

1 Answer

5 votes

Answer:

right angle triangle

Explanation:

by applying Pythagoras theorem


RHS ={9}^(2) + 12 ^(2) = 81 + 144 = 225=√225 =15=LHS

hence proved

answered
User ColinKennedy
by
8.2k points
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