The side lengths of a triangle are 9, 12, and 15. Is this a right triangle?

Mathematics

2 answers:

Vedmedyk [2.9K]3 years ago

8 0

Answer:

yes it is.

Step-by-step explanation:

pythagorean theorem. A^2 + B^2 = C^2

Ex 9^2 + 12^2 = 15^2

elena-s [515]3 years ago

3 0

Answer:

Yes, this is a right triangle.

Step-by-step explanation:

If you look more closely, you can notice that it is a 3-4-5 Pythagorean triple and it was multiplied by 3 to get 9-12-15.

Or you can do it using the Pythagorean Theorem directly:

9^2 + 12^2 = 15^2

and that is true.

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