Slope
Angle Relationships
Solve for x
Proving lines parallel
Surprise
100
What is the slope of the line through (5, 7) and (-3,3)?
1/2
100
What is the measure of angle 3 if the measure of angle 5 is 72
108
100
Given that m//n//p, find the m∠10
m∠7=5x−20
m∠10=2x+70
130
100
Which diagram proves c//d?
D
100
Which lines, if any, would be parallel if angle 8 and 10 were congruent? What reason?
a and b
200
What is the slope of a line perpendicular to a line with the points (0,3) and (8,5)?
-4
200
Which of these angles is NOT congruent to angle 5?
A. Angle 6
B. Angle 8
C. Angle 1
D. Angle 4
6
200
Find the value of x.
x=15
200
Which lines are parallel and which converse exists, if <7 and <19 are supplementary?
l and n
200
Select all that would prove c//d.
A. m∠11+m∠12=180
B. m∠2+m∠6=180
C. m∠11=m∠13
D. m∠1=m∠6
B and D
300
Line t has coordinates (0,6) and (5,0). What is the slope of a line parallel to line t?
-6/5
300
Which is a pair of corresponding angles?
A. ∠4 and ∠3
B. ∠4 and ∠1
C. ∠4 and ∠2
D. ∠4 and ∠8
4 and 8
300
Find the measure of the indicated angle.
55
300
Which lines, if any can be proven parallel given the angle relationship? And what converse are you using?
∠8≅∠19
l and n
B
300
x=5
y=146
400
What is the slope of a line that is perpendicular to y=5x+4?
-1/5
400
Find x so that l ll m. State the converse used.
17 and SS Int
400
Find x and y.
x=8
y=19
400
Which lines are parallel and which converse exists, if <21 and <20 are congruent?
j and k
400
Find the value of x in the figure below
x=5
500
Parallel, Perpendicular, or Neither?
J(11,-2) K(3,-2)
L(1,-7) M(1,-2)
Perpendicular
500
If (21+ 2x) and (x + 84) are alternate interior angles, what is the value of x?
63
500
FInd the measures of a, b, and c in the figure below (hint: the lines are parallel)
a=58
b=48
c=74
500
Which lines are parallel in the given diagram?
p//q and r//s
500
If m∠ 10 = 77, m∠ 7 = 47, and m∠ 16 = 139, find each angle measure.
1= 77, 2= 103, 3= 41
4=139, 5=41, 6=92
7=47, 8=77 , 9=103
10=77, 11=56 , 12= 47
13=77 , 14=103 , 15= 41
16= 139 , 17= 41 , 18=139