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Use the Converse to the Pythagorean Theorem to determine if the triangle below is a right triangle. State whether or not the triangle is a right triangle.
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Use the Converse to the Pythagorean Theorem to determine if the triangle below is a right triangle.

State whether or not the triangle is a right triangle.

Use the Converse to the Pythagorean Theorem to determine if the triangle below is-example-1
User AtineoSE
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3^2 + 9^2=12^2\\9 + 81\\a^2+b^2=90\\c^2= 144\\90\\eq 144\\Answer: Not a right triangle, as seen as equation to the left

Explanation:

User Maksimov
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