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Geometry
Types of triangles
Right Triangle
A triangle has side lengths of 15, 20, and 25. What type of triangle is it?
equiangular
right
obtuse
1 answer
The triangle with side lengths of 15, 20, and 25 is a right triangle. This is because the Pythagorean theorem holds true for these side lengths: 15^2 + 20^2 = 225 + 400 = 625 = 25^2.
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