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anonymous

  • one year ago

Which type of triangle is formed with the points A(1, 7), B(-2, 2), and C(4, 2) as its vertices? A.)an equilateral triangle B.)an isosceles triangle C.)an acute scalene triangle D.)an obtuse scalene triangle

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  1. triciaal
    • one year ago
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    acute angles less than 90 degrees scalene all sides different lengths obtuse one angle more than 90 degrees equilateral all 3 sides same length isosceles 2 sides same length

  2. triciaal
    • one year ago
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    did you plot the points and then join to see the triangle?

  3. anonymous
    • one year ago
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    |dw:1441980766745:dw| equailateral I think

  4. triciaal
    • one year ago
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    use the distance formula/pythagorean theorem if you need to find the lengths

  5. triciaal
    • one year ago
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    from your sketch it looks isosceles find the lengths to confirm

  6. anonymous
    • one year ago
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    Sorry @triciaal but measuring the lengths of the sides it appear equilateral

  7. triciaal
    • one year ago
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    |dw:1441991531125:dw|

  8. anonymous
    • one year ago
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    so two sides are 3 and the third side is 6?

  9. anonymous
    • one year ago
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    That would certainly make it isosceles, since two angles would be equal

  10. triciaal
    • one year ago
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    |dw:1441991859918:dw|

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