Download alternate exterior angles alternate interior angles corresponding

CHAPTER
3
Geometry Flashcards
For two lines intersected by a transversal,
a pair of angles that lie on opposite sides
of the transversal and outside the other
two lines.
Chapter 3 (p. 147, 3-1)
£ Ó
x È
alternate exterior
angles
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Ç n
∠4 and ∠5 are alternate
interior angles.
For two lines intersected by a transversal,
a pair of nonadjacent angles that lie on
opposite sides of the transversal and
between the other two lines.
Chapter 3 (p. 147, 3-1)
£ Ó
x È
alternate interior
angles
Î {
Ç n
∠3 and ∠6 are alternate
interior angles.
For two lines intersected by a transversal,
a pair of angles that lie on the same side
of the transversal and on the same sides
of the other two lines.
Chapter 3 (p. 147, 3-1)
corresponding angles
£ Ó
x È
Î {
Ç n
∠1 and ∠3 are corresponding.
A line perpendicular to a segment at the
segment’s midpoint.
Chapter 3 (p. 172, 3-4)
Ű
perpendicular bisector
!
"
is the perpendicular bisector
_
of AB .
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All rights reserved.
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CHAPTER
3
Geometry Flashcards
Lines that intersect at 90° angles.
Chapter 3 (p. 146, 3-1)
N
M
perpendicular lines
m⊥n
For two lines intersected by a transversal,
a pair of angles that lie on the same side
of the transversal and between the
two lines.
Chapter 3 (p. 147, 3-1)
£ Ó
x È
same-side interior
angles
Î {
Ç n
∠2 and ∠3 are same-side
interior angles.
A measure of the steepness of a line. If
(x 1, y 1) and (x 2, y 2) are any two points on
the line, the slope of the line, known as m,
y -y
is represented by the equation m = ______
x -x
.
Chapter 3 (p. 182, 3-5)
2
1
2
1
slope
A line that intersects two coplanar lines at
two different points.
Chapter 3 (p. 147, 3-1)
£ Ó
x È
transversal
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
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Ç n
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Holt Geometry
4/13/06 9:32:44 AM