18-05-2021
Mathematics

contestada

a triangle has sides with lengths 9 yards 12 yards and 18yards is it a right triangle

Respuesta :

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19-05-2021

Answer:

use Pythagorean theorem:

[tex]a^2+b^2=c^2\\9^2+12^2=18^2\\81+144=324\\225\neq 324[/tex]

it's not a right triangle

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