peachybeachy06
peachybeachy06 peachybeachy06
  • 11-02-2021
  • Mathematics
contestada

A triangle has sides with lengths of 7 yards, 8 yards, and 9 yards. Is it a
right triangle?

Respuesta :

hbj
hbj hbj
  • 11-02-2021

Answer:

No, it is not a right triangle.

Step-by-step explanation:

A right triangle will follow the Pythagorean Theorem: a² + b² = c²

c is the hypotenuse, or the longest side. In this case, it is 9.

That means a and b are 7 and 8.

Now let's plug in the values to see if they simplify correctly.

(7)² + (8)² = (9)²

Simplify the exponents.

49 + 64 = 81

Add the left side.

113 = 81

The above expression is not true; therefore, this triangle is not a right triangle.

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