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Math
Geometry
Triangles (5.5A)
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Terms in this set (13)
triangle
A polygon with three sides.
acute angle
An angle that measures less than 90 degrees.
right angle
An angle that measures 90 degrees.
obtuse angle
An angle that measures more than 90 degrees but less than 180 degrees.
acute triangle
A triangle with three acute angles.
right triangle
A triangle with one right angle.
obtuse triangle
A triangle with one obtuse angle.
equilateral
Having all sides are congruent.
isosceles
Having two congruent sides.
scalene
Having no congruent sides.
equilateral triangle
A triangle with three congruent sides.
isosceles triangle
A triangle with at least two congruent sides.
scalene triangle
A triangle with no congruent sides.
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