Question

Which could be the 3 sides of a right triangle?(1 point)

1.5, 2.5, and 4

2.5, 6, and 6.5

2, 3, and 5

2, 2, and 5
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Answer 1

2.5, 6, and 6.5.

Reason: 2.5 + 6 > 6.5 so they form a triangle, and 2.5^2 + 6^2 = 6.25 + 36 = 42.25 = 6.5^2, so they satisfy the Pythagorean theorem. The other sets are degenerate or fail the triangle inequality.