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

asked Jan 8, 2022 78.6k views

1 vote

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4 votes

Answer:

use Pythagorean theorem:

$a^2+b^2=c^2\\9^2+12^2=18^2\\81+144=324\\225\\eq 324$

it's not a right triangle

Whetstone answered Jan 12, 2022

5.6k points

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