Points, Lines,
and Planes
and Planes
A part of a line that consists of two endpoints
What is a segment?
Vertical angles are
What is congruent?
coplanar lines that do not intersect
What are parallel lines?
a change in the position, shape or size of a geometric figure
What is a transformation?
The formula to find the area of a rectangle
What is A=bh?
Two angles whose measures have a sum of 90.
What are complementary angles?
an example that shows that a conjecture is incorrect
What is a counterexample?
a line that intersects two or more coplanar lines at distinct points.
What is a transversal?
A transformation that maintains distance and angle measures
What is a rigid motion?
The formula for the area of a triangle
What is A=1/2bh?
If two lines intersect, then they intersect in exactly what
What is one point?
an if then statement
What is a conditional statement?
Two angles on opposite sides of a transversal that occur on the outside of the parallel lines.
What are alternate exterior angles?
A transformation that maps each point of the image the same distance from the line as the preimage.
What is a reflection?
Find the area using A=1/2h(b1+b2)
What is a trapezoid?
Is formed by two rays with the same endpoint
What is an angle?
a single statement that combines a true conditional and its converse
What is a biconditional
an angle formed by a side of a triangle and an extension of a adjacent side
What is an exterior angle of a triangle?
What does the following notation mean?
Ry-axis
What is a reflection over the y axis?
The perpendicular distance from the center of a polygon to its side.
What is an apothem?
If three points A,B, and C are colinear and B is between A and C, then
What is AB + BC =AC?
Using the Law of Detachment what can you conclude from the following statement?
If two angles are adjacent then they share a common vertex. Angle one and angle two are adjacent.
What is angle one and angle two share a common vertex?
If a line is perpendicular to one of two parallel lines it is also
What is perpendicular to the other?
What does the following notation mean?
(Rx=1 * T<0, -5>)
What is a glide reflection, reflecting where x =1 and translating to the left 5 spaces?
What is the area of a triangle with base of 11 and a height of 13?
What is 71.5?