Spanish, 05.05.2020 09:19 jossfajardo50

Triangle ABC has side lengths 8 inches, 17 inches, and 15 inches. Sofia uses the following steps to conclude that triangle ABC is not a right triangle.
a + b² = c²
82 +172 = 152
64 + 289 = 225
353 = 225
What mistake did Sofia make?
Sofia made a calculation error.
Sofia used the length of one of the legs as c when she should have used the length of the longest side as c.
Sofia does not know if triangle ABC is a right triangle, so she cannot use the Pythagorean Theorem or its converse.
Sofia's conclusion is incorrect. When the sides of a triangle do not satisfy a² +62 = c2, you cannot conclude that the triangle is a right triangle.

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Triangle ABC has side lengths 8 inches, 17 inches, and 15 inches. Sofia uses the following steps to...

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