Vertices of a right triangle
Show that the points D(2,1), E(4,0), and F(5,7) are vertices of a right triangle.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- geometry
- analytic geometry
- line segment
- arithmetic
- absolute value
- planimetrics
- Pythagorean theorem
- right triangle
- triangle
Units of physical quantities:
Grade of the word problem:
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