Lesson 3-4Lesson 3-4

Adjacent Angles Adjacent Angles and Linear Pairs of and Linear Pairs of

AnglesAngles

Ohio Content Standards:Ohio Content Standards:

Ohio Content Standards:Ohio Content Standards:

Formally define geometric figures.

Ohio Content Standards:Ohio Content Standards:

Formally define and explain key aspects of geometric figures.

Adjacent AnglesAdjacent Angles

Adjacent AnglesAdjacent Angles

Angles that share a common side and have the same vertex, but

have no interior points in common.

Determine whether 1 and 2 are adjacent angles.

Determine whether 1 and 2 are adjacent angles.

1 2

Determine whether 1 and 2 are adjacent angles.

1 2

Determine whether 1 and 2 are adjacent angles.

1

2

Linear PairLinear Pair

Linear PairLinear Pair

When the noncommon sides of adjacent angles form a straight

line.

In the figure, CM and CE are opposite rays.

4

32

1

M

CE

A

TH

In the figure, CM and CE are opposite rays.

4

32

1

Name an Name an angle that angle that

forms a forms a linear pair linear pair with with TCM.TCM.

E

HT

A

M

C

In the figure, CM and CE are opposite rays.

4

32

1

Do 1 Do 1 and and TCE TCE form a form a linear linear pair? pair? Justify Justify your your answer. answer.

E

HT

A

M

C

Homework:Homework:

Pgs. 113-114 Pgs. 113-114 3-19 all, 3-19 all, 23-27 all23-27 all