Show:
Vocabulary
Formulas
Parallel and Perpendicular Lines
Classifying Triangles
Symbols
100
A triangle with at least two equal sides.
What is an isosceles triangle?
100
side x side
What is the area of a square?
100
Through a point not on line, there is one and only one line parallel to the given line.
What is the parallel postulate?
100
A triangle with one obtuse angle.
What is an obtuse triangle?
100
≅
What is the congruence symbol?
200
The part of a conditional statement that immediately follows the word "if."
What is hypothesis?
200
d x π (pi)
What is the circumference of a circle?
200
Nonadjacent interior angles that lie on opposite sides of the transversal.
What are Alternate interior angles?
200
A triangle where all angles are equal.
What is an equiangular triangle?
200
Δ
What is the triangle symbol?
300
A conditional statement in which the hypothesis and conclusion are switched.
What is a converse statement?
300
b x h x 1/2
What is the area of a triangle?
300
Nonadjacent exterior angles that lie on opposite sides of the transversal.
What are alternate exterior angles?
300
A triangle with 2 equal sides.
What is an isosceles triangle?
300
| |
What is the parallel line symbol?
400
A point that divides, or bisects a segment into two congruent segments.
What is a midpoint?
400
side + side + side + side
What is the area of a rectangle?
400
Angles that lie on the same side of the transversal and in corresponding positions.
What are corresponding angles?
400
A triangle where no sides are equal.
What is a scalene triangle?
400
π
What is the pi symbol?
500
Two lines that intersect to form a right angle.
What are perpendicular lines?
500
πr x πr
What is the area of a circle?
500
Interior angles that lie on the same side of the transversal.
What are same-side interior angles?
500
A triangle with one right angle.
What is a right triangle?
500
∠
What is the angle symbol?