300 400 500 100 200 angle relationships parallel lines with transversals 300 100 200 400 500 proving...
TRANSCRIPT
300
400
500
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Angle Relationships
Parallel Lines with Transversals
300 300 300 300 300
100 100 100 100 100
200 200 200 200 200
400 400 400 400 400
500 500 500 500 500
Proving Lines Parallel
SlopeWriting and Graphing Equations
Grab Bag
If two lines are parallel what do you know about:
- alternate interior angles?- alternate exterior angles?- corresponding angles?- consecutive interior angles?
Name two sets of consecutive interior angles.
16151413
1211109
8765
4321
Name two sets of corresponding angles.
16151413
1211109
8765
4321
16151413
1211109
8765
4321
Name two sets of alternate interior angles.
Name four sets of alternate exterior angles.
16151413
1211109
8765
4321
Find the measure of angle 1 and angle 2.
136
21
Find the measure of angle 1 and angle 2.
6821
Find the value of x and y.
(100 - y)
81
9x
Find the value of x and y.
(13y + 5)
(5y - 5)3x
Find the value of x and y.
(7y - 15)(2x + 15)
(3x - 10)(6y + 1)
Can you prove that lines a and b are parallel? If so, how?
b
a
Can you prove that lines a and b are parallel? If so, how?
b
a
Can you prove that lines a and b are parallel? If so, how?
b
a
Find the value of x that makes line a parallel to line b.
(4x - 10)
(3x + 13)
b
a
Find the value of x that makes line a parallel to line
b.
2x
(3x - 30)
b
a
Tell whether the lines through the given points are parallel, perpendicular, or neither.
Line 1: (–3, 1) and (–2, 5)Line 2: (–1, –3) and (5, –2)
Tell whether the lines through the given points are parallel, perpendicular, or neither.
Line 1: (7, 4) and (10, 5)Line 2: (2, 3) and (8, 5)
Find each slope:
a.(–6, 0) and (8, 7)
b. (2, 5) and (–6, –18)
Find the slope of the line. Then find the slope of a line that is perpendicular to the original slope.
(–5, –4) and (8, 17)
Tell whether the intersection of and forms a right angle. A(–8, 3) B(1, 2) C(0, 9) D(–1, 0)
AB45555555555555 5
CD45555555555555 5
Use the given information to write the equation of the line.
(4, 7), m = 2
Use the given information to write the equation of the line.
(–3, 0), m =
23
Use the given information to write the equation of the line.
(3, 2), (8, 12)
Write the equation of the line that goes through the point (6, 3) and is parallel to:
1y x 12
3
Write the equation of the line that goes through the point (–7, 3) and is perpendicular to:
y = x + 3
Find the measure of the given angle that would make u || v
Find .
ADB
(3x + 32)
26x
D
C
B
A
What college did I attend???
What does the following symbol represent:
┴
Find every angle.
42
10
98
76
5
4
32
1