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Triangle Relationships

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