Using Formulas in Geometry/Midpoint and Distance in the Coordinate Plane
Transformations in the Coordinate Plane
100
Names a location and has no size. It is represented by a dot.
What is a point?
100
E is the midpoint of segment DF, DE=2x+4, and EF=3x-1.
Find DE, EF, and DF.
What is DE=EF=14: DF=28?
100
The set of all points between the sides of the angle.
What is the interior of an angle?
100
In a circle, a segment that passes through the center of the circle and whose endpoints are on the circle.
What is diameter?
100
A transformation across a line.
What is a reflection?
200
A statement that is accepted as true without proof.
What is a postulate?
200
Any ray, segment, or line that intersects a segment at its midpoint.
What is a segment bisector?
200
A ray that divides an angle into two congruent angles.
What is an angle bisector?
200
The distance around a circle.
What is circumference?
200
A transformation about a point.
What is a rotation?
300
A flat surface that has no thickness and extends forever.
What is a plane?
300
Identify the postulate: If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent.
What is the corresponding angles postulate?
300
The complement of
What is 63.2 degrees?
300
a^2+b^2=c^2.
What is the Pythagorean Theorem?
300
A transformation in which all the points of a figure move the same distance in the same direction.
What is a translation?
400
Points that lie on the same line.
What is collinear?
400
These are used in a figure to show congruent segments.
What are tick marks?
400
Two nonadjacent angles formed by two intersecting lines.
What are vertical angles?
400
Identify the theorem: In a coordinate plane, two nonvertical lines are parallel if and only if they have the same slope. Any two vertical lines are parallel.
What is the parallel lines theorem?
400
A change in the position, size, or shape of a figure.
What is a transformation?
500
Two rays that have a common endpoint and form a line.
What is a ray?
500
State whether the following is always, sometimes, or never true: If M is between A and B, then M bisects segment AB.
What is sometimes?
500
Identify the theorem: If two coplanar lines are cut by a transversal so that a pair of alternate interior angles are congruent, the two lines are parallel.
What is the converse of the alternate interior angles theorem?
500
Find the coordinates of the midpoint in the following segment: Segment MN with endpoints M(12, -7) and N(-5, -2)