Formulas & Angles
Lines in Triangles
Statements
Intersections
Triangles
100
These two angles sum to 90°.
What are Complementary Angles
100
This ray divides an angle into two congruent angles.
What is Angle Bisector
100
This statement type has the format "If A, then B."
What is Conditional Statement
100
This point is the intersection of three or more lines.
What is Point of Concurrency
100
This triangle type has at least 2 congruent sides.
What is Isosceles
200
These two angles sum to 180°.
What are Supplementary Angles
200
The two congruent sides of an isosceles triangle have this body part name.
What are Legs
200
The "then" part of a conditional statement
What is Conclusion
200
A triangle's perpendicular bisectors meet at this point.
What is Circumcenter
200
This triangle type has 3 congruent sides.
What is Equilateral
300
This formula has you averaging x's and y's.
What is Midpoint Formula
300
This segment, ray, line, or plane meets a segment at its midpoint, making a right angle.
What is Perpendicular Bisector
300
The "if" part of a conditional statement
What is Hypothesis
300
A triangle's angle bisectors meet at this point.
What is Incenter
300
An equilateral triangle can also be classified by its angles using this word.
What is Equiangular
400
The sum of the measures of a triangle's angles.
What is 180°
400
This segment's endpoints are a vertex of a triangle and the midpoint of the opposide side.
What is Median
400
The type of statement formed by switching a statement's hypothesis and conclusion
What is Converse
400
This point is at the intersection of a triangle's altitudes.
What is Orthocenter
400
This triangle type has 3 different side lengths.
What is Scalene
500
This formula's song tells you, "square them both and find the sum".
What is Distance Formula
500
This segment is the result of making a line from the vertex that is perpendicular to the opposite side.
What is Altitude
500
The type of statement formed by negating a statement's hypothesis and conclusion
What is Inverse
500
A triangles's medians meet at this point. It is also a triangle's balancing point.
What is Centroid
500
These angles are congruent whenever two sides of a triangle are congruent.
What is Base Angles
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