POINTS & LINES
This term describes points that lie on the same straight line.
What is collinear?
This postulate states that the distance between any two points can be measured with a ruler.
What is the ruler postulate?
The midpoint divides a segment into these types of parts.
What are two equal parts?
An angle measuring exactly 90° is called this.
What is a right angle?
Two angles that sum to 90° are called this.
What are complementary angles?
This is defined as a location in space that has no dimension.
What is a point?
If AB = 5 and BC = 3, according to the segment addition postulate, AC equals this.
What is 8?
The midpoint formula finds these two coordinates.
What are
((x_1+x_2)/2 ,(y_1+y_2)/2)?
An angle measuring between 0° and 90° is called this.
What is an acute angle?
Two angles that sum to 180° are called this.
What are supplementary angles?
These are required to determine exactly one line.
What are two points?
The symbol ≅ in geometry means this.
What is congruent?
Q: This famous theorem is the basis for the distance formula.
What is the Pythagorean Theorem?
This tool is used to measure angles.
What is a protractor?
When two lines intersect, these pairs of angles are congruent.
What are vertical angles?
The intersection of two different lines is called this.
What is a point?
To construct a congruent segment, you need these two tools.
What are a compass and straightedge?
The distance between points (2,3) and (5,7) is this.
What is 55 units?
An angle measuring exactly 180° is called this.
What is a straight angle?
If m∠1=3x+15 and m∠2=x+45 are complementary angles, x equals this.
What is 7.5?
Two lines in a plane that never intersect are called this.
What are parallel lines?
If 2x+52x+5 represents one segment and x−3x−3 represents a congruent segment, x equals this.
What is 88?
If the midpoint of a segment is (4,5) and one endpoint is (1,2), the other endpoint is this.
What is (7,8)?
If an angle measures 2x+15 degrees and is acute, the maximum value of x is this.
What is 37.5?
Two angles that share a vertex and a common side are called this.
What are adjacent angles?