Introduction to Plane Geometry

What is the term for a part of a line with two endpoints?

• point

• ray

• angle

• line segment

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CCSS.HSG.CO.A.1

What is the term for a part of a line that has one endpoint and goes on endlessly in one direction?

• line

• line segment

• ray

• angle

Tags

CCSS.4.G.A.1

What does the word "perpendicular" mean?

• Next to each other

• Across from each other

• Never intersect

• Intersect at a right angle

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CCSS.4.G.A.1

CCSS.HSG.CO.A.1

• plane DFA

• plane DEF

• plane j

• plane M

• plane BEC

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CCSS.HSG.CO.A.1

3 coplanar points

• B, E, A

• D, A ,F

• D, F, E

• E, A, F

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CCSS.HSG.CO.A.1

intersection of plane M and line k

• j

Tags

CCSS.HSG.CO.A.1

How many planes are in the figure?

• 2

• 3

• 5

• 7

Tags

CCSS.HSG.CO.A.1

Name the figure.

• ray

• line

• line segment

• point

Tags

CCSS.4.G.A.1

An __________ consist of two rays that have a common endpoint called the vertex.

A flat surface that extends endlessly in all directions is called a

Tags

CCSS.4.G.A.1