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Definitions
Angle
Statements
Solve for x
Parallel Lines
100
has one endpoint and one tail, where it extends forever.
What is a ray?
100
Less than 90 degree
What is an acute angle?
100
switch a statement and negate it
What is contrapositive?
100
3x, 54
x = 42
100
Fill in the blanks Lines cut by a transversal are // iff: 1. the ____________ are congruent. 2. the ______________ are congruent. 3. the _______________ are congruent. 4. the same side interior angles are __________
Lines cut by a transversal are // iff: 1. the corresponding angles are congruent. 2. the alternate interior angles are congruent. 3. the alternate exterior angles are congruent. 4. the same side interior angles are supplementary
200
formed by two rays, which have the one endpoint. This endpoint is called the vertex.
What is an angle?
200
180 degree
What is a straight angle?
200
~q --------> ~p
What is the symbol for contrapositive?
200
2x,x
x = 30
200
83, x
x = 83 alternate interior angle
300
Father of Geometry.
Who is Euclid?
300
opposite sides are congruent
What is a vertical angle?
300
If I wake up on time then, I go to school on time. Converse?
Converse: If I come to school on time, then I wake up on time.
300
2x+5, x+59
x = 54
300
126, x
x = 126 vertical angle
400
The point of the line segment that divides the line into two segments of equal length
What is a midpoint?
400
Adds up to 180 degree
What is supplementary angle.
400
Hypothesis and Conclusion
What is a conditional statement made up off?
400
If DE = x + 4 and EB = 3x – 8, find x. x = _____
x = 6
400
X+23, X+61
X = 48
500
two lines that never intersect
What are parallel lines?
500
90 degree
What is a right angle?
500
If I am hungry, then I eat. Contrapositive?
Contrapositive: If I do not eat then, I am not hungry
500
EF bisects ∠DEG
x = 17
500
DCH?
X = 62 DCH = 86