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If triangle ABC with vertices A(-2, -5), B(-3, 2), and C (1, -2) a right triangle?
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If triangle ABC with vertices A(-2, -5), B(-3, 2), and C (1, -2) a right triangle?

User Jon Staples
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1 Answer

4 votes
hello :
A(-2, -5), B(-3, 2), and C (1, -2)
calculate : AB² , AC² ,BC²
AB² = ( -3 +2 )² + ( 2 +5 )² =50
AC² = ( 1 +2 )² + ( -2 +5 )² =18
BC² = ( 1 +3 )² + ( -2 - 2 )² = 32
by petagor rule : AB² = AC² + BC²....(ABC is a right triangle in : C )
User Ergusto
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