Podcast
Questions and Answers
Is the triangle with coordinates A(0,0), B(4,10), and C(8,0) isosceles, equilateral, or scalene?
Is the triangle with coordinates A(0,0), B(4,10), and C(8,0) isosceles, equilateral, or scalene?
- Isosceles (correct)
- Scalene
- Equilateral
Is the triangle with coordinates D(-3,3), E(3,3), and F(0,-3) isosceles, equilateral, or scalene?
Is the triangle with coordinates D(-3,3), E(3,3), and F(0,-3) isosceles, equilateral, or scalene?
- Scalene
- Equilateral
- Isosceles (correct)
Is the triangle with coordinates A(-4,1), B(1,-6), and C(7,5) isosceles, equilateral, or scalene?
Is the triangle with coordinates A(-4,1), B(1,-6), and C(7,5) isosceles, equilateral, or scalene?
- Scalene (correct)
- Equilateral
- Isosceles
Is the triangle with coordinates A(-4,1), B(3,8), and C(9,6) isosceles, equilateral, or scalene?
Is the triangle with coordinates A(-4,1), B(3,8), and C(9,6) isosceles, equilateral, or scalene?
Is the triangle with coordinates A(2,8), B(5,4), and C(1,1) a right triangle?
Is the triangle with coordinates A(2,8), B(5,4), and C(1,1) a right triangle?
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Study Notes
Triangle Classifications in the Coordinate Plane
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Triangle A(0,0), B(4,10), C(8,0) is classified as isosceles.
- Side lengths are AB = 10.8, AC = 8, and BC = 10.8, indicating two equal sides.
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Triangle D(-3,3), E(3,3), F(0,-3) is classified as isosceles.
- Side lengths are DE = 6, EF = 6.7, and DF = 6.7, showing two sides are equal.
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Triangle A(-4,1), B(1,-6), C(7,5) is classified as scalene.
- Side lengths are AB = 8.6, BC = 12.5, and AC = 11.7, with all sides having different lengths.
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Triangle A(-4,1), B(3,8), C(9,6) is classified as scalene.
- Side lengths are AB = 9.9, BC = 6.3, and AC = 13.9, confirming no equal sides.
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Triangle A(2,8), B(5,4), C(1,1) is identified as a right triangle.
- Slope of AB = -4/3, slope of BC = 3/4, and slope of AC = 7/1, demonstrating the presence of a right angle.
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