two lines that have the same slope and will never intersect
What are parallel lines?
When two lines intersect, this these types of angles are formed around the intersection and are shaped like a bowtie
What are vertical angles?
A triangle that has 3 congruent angles and 3 congruent sides
What is equilateral?
Every quadrilateral has this many sides
What is 4?
In order for an octagon to rotate onto itself, it must rotate a minimum of THIS many degrees.
What is 45?
lines that intersect to form a right angle
What is perpendicular?
When two parallel lines are intersected by a transversal, these types of angles are formed by the "Z" shape
What are alternate interior angles?
A triangle with two congruent sides and two congruent base angles
What is isosceles triangle?
In parallelogram ABCD, the measure of angle C is 77 degrees. The measure of angle B must be
What is 103 degrees?
In order for a hexagon to rotate onto itself, it must rotate a minimum of THIS many degrees.
What is 60?
this has one endpoint and continues in one direction forever
What is a ray
Angle A and angle B are complementary. Angle B measures 47.85 degrees. The measure of angle A is
What is 42.15 degrees?
Triangle ABC is a right triangle, with a right angle at B. If angle A has a measure of 67 degrees, then the measure of angle C is
What is 23 degrees?
This type of quadrilateral is distinct because its diagonals are congruent to one another.
What is a rectangle?
In order for a pentagon to rotate onto itself, it must rotate a minimum of THIS many degrees.
What is 72 degrees?
A "portion" of a line, starting and ending with two endpoints
What is a line segment?
Angle C and angle D are supplementary. If angle C has a measure of 2x and angle D has a measure of 4x, then the value of x must be
What is 30 degrees?
Isosceles triangle ABC has sides AB and AC congruent. If the measure of angle A is 55 degrees, then the measure of angle B is
What is 62.5 degrees?
This is a quadrilateral is distinct because its diagonals are perpendicular
What is a rhombus?
In order for a decagon to rotate onto itself, it must rotate a minimum of THIS many degrees.
What is 36 degrees?
When this type of point falls on a line segment, it bisects the line segment
What is a midpoint?
Angles E and F are complementary. Angle E measures 7x - 4. Angle F measures 12x - 1. The actual degree measure of angle F is
What is 59 degrees?
Triangle XYZ is a right triangle, with a right angle at Z. If XZ is 5 and XY is 13, then the length of YZ must be
What is 12?
In rectangle EFGH, diagonal FH is drawn. The measure of FH is 15 and the measure of FG is 9. The measure of side EF must be
What is 12
In order for a nonagon to rotate onto itself, it must rotate a minimum of THIS many degrees.
What is 40 degrees?