△TUV has vertices at T(–8,5), U(7,1), and V(1,–7).Is △TUV an isosceles triangle? Justify your answer.
Question
Solution 1
To determine if △TUV is an isosceles triangle, we need to check if any two sides of the triangle are of equal length. We can do this by using the distance formula, which is √[(x₂ - x₁)² + (y₂ - y₁)²].
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Calculate the distance between T and U: √[(7 - (-8))² + (1 - 5)²] = √[225] = 15
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