What is the symbol and the definition of perpendicular lines?
Symbol - upside down T..... Lines that intersect at 90 degrees
Are the 2 sentences in verses, converses, or contrapositives?
If it's not raining then the game will be played
If the game is not played then it is raining.
Contrapositive
What angle pair is formed by 3 and 6? If angle 3 is 120, what is the measure of angle 6?
Alternate interior, 120
If angle 2 is congruent to angle 6, which reason would prove that c and d are parallel?
IF alternate interior angles congruent, then the lines are //
What angle pair vocabulary word is shown? What is the measure of angle DAC?
Complementary
40
Parallel lines have __________ slopes.
Equal or the same
A : Anne earns an A. W: Doesn't work hard
Translate: ~W ^ A
Anne works hard and gets an A
What kind of angle pair is formed by angles 4 and 8? If angle 4 is 75, what is the measure of angle 8?
Corresponding, 75
Which lines, if any, would be parallel if angle 8 and 10 were congruent? What reason?
a and b, If alternate interior angles congruent then the lines are parallel
What vocabulary word should be used to describe angle 3 and angle 5? Are they congruent or supplementary?
Vertical angles
congruent
What is the slope of a line that is parallel to
4/3
(same slope)
M is the midpoint of AB. AM = 7, what is the length of AB?
AB = 7+7=14
Name the angle pair and find the value of x.
x=14
Which lines would be parallel, if any, if angles 7 and 5 were congruent? What reason?
c and d, If corresponding angles congruent, then //
What vocabulary word describes the marked angles? Name an angle congruent to angle CHG?
Linear Pair
Angle DHF (FHD) or HGB (BGH) or AGE (EGA)
What is the slope of a line that is perpendicular to a line with a slope of 5?
-1/5
B is between A and C. AB = 3x - 2, BC = 12, AC = 4x
3x - 2 +12 = 4x
x = 10
Name the angle pair and find the value of x.
x=13, same-side interior
Which lines would be parallel, if any, angle 6 and 7 are congruent?
none, consecutive interior angles should be supplementary
Using the parallel lines and the diagram, determine the measure of angle AGE
Angle AGE = 80
(x = 20 - but that wasn't the question!)
What slope would be perpendicular to the line that passes through (-3,7) and (4, 2)?
7/5
Draw a Venn diagram and shade A u B
Ask the teacher to check your answer
x=5,
y=146
Which lines, if any, would be parallel if angle 6 and congruent to angle 10?
None, they do not use 2 lines and a transversal
Given the parallel lines, cut by transversals and
angleJCH=90 and angle1 = 40
find the measure of angle FCD
140