niamkidd niamkidd
  • 14-05-2021
  • Mathematics
contestada

A triangle has sides with lengths of 72 inches, 78 inches, and 30 inches. Is it a right triangle?

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clintw clintw
  • 14-05-2021
Right triangles cant be found with the lengths of the sides of the triangle it’s the degrees of the actual Angles within the triangle a right triangle has at least one 90 degree angle
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jimrgrant1 jimrgrant1
  • 14-05-2021

Answer:

yes

Step-by-step explanation:

Using the converse of Pythagoras' identity.

If the square of the longest side is equal to the sum of the squares on the other 2 sides then the triangle is right.

longest side = 78 and 78² = 6084

72² + 30² = 5184 + 900 = 6084

Then the triangle is right

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