Definitions
A flat surface made of points that extends forever
Always use a CAPITAL letter to name a ____________.
What is a point?
An angle is formed by two ______ with a common endpoint.
What are rays?
If B is between A and C, then AB + BC = _________.
What is AC?
Two lines intersect at a _______.
What is a point?
A location with no size or shape.
What is a point?
Name a plane by 3 non-collinear points on the plane, or by _______.
What is an uppercase cursive/script letter?
The common endpoint of an angle is called the __________.
What is the vertex?
Segment addition postulate applies when the points are on the same line. What is another word for points being on the same line?
What is collinear?
Two planes intersect at a _________.
What is a line?
The point or line where figures meet
Name a line by any _____ points on the line, or a lowercase script letter.
What is 2?
An angle measuring less than 90 degrees is called _________.
What is an acute angle?
If AB = 6 and BC = 9, find AC.
What is 15?
Two lines that intersect at 90 degrees are ___________ lines.
What are perpendicular lines?
Any _______ points make up a plane.
What is plane ABD or ACD or BCD?
An angle measuring exactly 90 degrees is called a __________.
What is a right angle?
If AC = 25 and AB = 10, find BC.
What is 15?
An angle that measures exactly 180 degrees is called __________.
What is a straight angle?
What is congruent?
Give another name for line p if line p has points J, K, and L on it.
What is line JK or KL or JL?
An angle measuring more than 90 degrees is called an _________.
What is an obtuse angle?
AB = 3x, BC = 5, and AC = 20. Solve for x.
What is 5?
If AB = 2x+3, BC = 4x - 1, and AC = 26, find x.
What is x = 4?