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22 Cards in this Set
- Front
- Back
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equilateral triangle
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A triangle with all sides congruent.
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isosceles triangle
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A triangle with at least two sides congruent.
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scalene triangle
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A triangle with no sides congruent.
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acute triangle
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A triangle with tree acute angles.
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equiangular triangle
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A triangle with all angles congruent.
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right triangle
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A triangle with one right angle.
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obtuse triangle
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A triangle with one obtuse angle.
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vertex of a triangle
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each of the three points joining the sides of a triangle
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adjacent sides of a triangle
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two sides of a triangle with a common vertex
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legs of a right triangle
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in a right triangle, the sides the form the right angle
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hypotenuse
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In a right triangle the side opposite the right angle. The other two sides are called legs.
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legs of an isosceles triangle
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The two congruent sides. The third side is the base.
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base of an isosceles triangle
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the non-congruent side of an isosceles triangle that had only two congruent sides
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interior angle
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the angles inside the shape
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exterior angle
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the angles outside the shape
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corollary
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A statement that can be proved easily by applying the theorem.
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congruent
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there is a correspondence between their angles and sides
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corresponding angles
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Two angles in corresponding positions relative to two lines.
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corresponding sides
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congruent sides
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base angles
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the two angles adjacent to the base
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vertex angle
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the angle opposite the base
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coordinate proof
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a type of proof that involves placing geometric figures in a coordinate planes
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