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son4ous [18]
3 years ago
6

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

Mathematics
2 answers:
yulyashka [42]3 years ago
6 0

Answer:

\boxed{Yes.}

Step-by-step explanation:

To solve this equation, we can use the Pythagorean Theorem: a^2 + b^2 = c^2, where a and b are regular side lengths and c is the hypotenuse.

  • The hypotenuse is the longest side of a triangle and is assigned to the c-variable.
  • The other two side lengths can be assigned to either a or b because of the commutative property: a + b = b + a.

Now, just substitute the side lengths into the formula and solve!

9^2 + 12^2 = 15^2    Simplify the equation by taking each value to its power.

81 + 144 = 225    Simplify by adding like terms.

225 = 255

Therefore, this is indeed a right triangle.

andriy [413]3 years ago
4 0

Answer:

<h2>Yes, this is a right triangle.</h2>

Step-by-step explanation:

Hypotenuse always have the highest number than base and perpendicular.

Hypotenuse ( h ) = 15

Base ( b ) = 9

Perpendicular ( p ) = 12

Let's see whether the given triangle is a right triangle or not

Using Pythagoras theorem:

{h}^{2}  =  {p}^{2}  +  {b}^{2}

Plugging the values,

{15}^{2}  =  {12}^{2}  +  {9}^{2}

Evaluate the power

225  = 144 + 81

Calculate the sum

225 = 225

Hypotenuse is equal to the sum of perpendicular and base.

So , we can say that the given lengths of the triangle makes a right triangle.

Hope this helps..

Best regards!!

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