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Triangle Relationships

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Across
3
The longest side in a triangle is opposite the _____ angle.
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A triangle with three different sides.
7
What is the name of bisector that divides an an angle in half?
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The point of concurrency for a perpendicular bisector
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If one angle in a triangle is greater than another angle, its opposite side will be ________.
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The smallest angle in a triangle is opposite the ________ side.
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The measure of one angle of an equilateral triangle.
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A segment with endpoints at the vertex of a triangle and at the midpoint of the opposite side.
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A bisector that is a ray, line, or segment that intersects a line at its midpoint and forms four right angles.
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A triangle with one angle greater than ninety degrees.
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The theorem that states the exterior angle is equal to the sum of a triangle's other two interior angles.
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The measure of a smaller angle in a right isosceles triangle is ______ degrees.
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The point of concurrency for angle bisectors.
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What is the point of concurrency for medians.
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A triangle with three equal angles can also be called ______.
Down
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A triangle with all angles less than ninety degrees.
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Reasoning that assumes a given is false to prove a statement true.
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If one side of a triangle is shorter than another side of a triangle, the corresponding angle will be _______.
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According to what theorem must the sum of two sides of a triangle be greater than the third side.
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A Perpendicular line with endpoints at vertex and at the opposite side.
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A triangle with three equal sides.
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Any triangle _____ have two right angles.
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Point of concurrency for altitudes
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Indirect proofs are also known as proofs by __________.
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A triangle with two equal sides.
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A triangle with one ninety degree angle is called a _____ triangle.
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Two angles corresponding to equal sides in an isosceles triangle are ______.