Lesson 1 and 2: Euclidean Geometry and Defining Terms

Part of a line. Has two endpoints and includes all of the points in between.

• Point
• Angle
• Line
• Line Segment

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CCSS.HSG.CO.A.1

Name 4 collinear points

• HMNO
• IKNO
• MJOL
• HNKI

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CCSS.HSG.CO.A.1

Points that lie on the same line are _________.

• coplanar
• collinear
• parallel
• perpendicular

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CCSS.4.G.A.1

Points that lie on the same plane are ________. 

• collinear
• coplanar
• parallel
• perpendicular

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CCSS.HSG.CO.A.1

An example of 2 non-collinear points.

• D, E
• C, B
• M, E
• F, B

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CCSS.HSG.CO.A.1

Use geometric terms to describe what is shown.

• plane

• parallel lines

• perpendicular lines

• point

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CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Use geometric terms to describe what is shown.

• plane

• parallel lines

• perpendicular lines

• point

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CCSS.4.G.A.1

CCSS.HSG.CO.A.1

• line
• line segment
• ray
• angle

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lines that intersect at right angles

• parallel lines

• perpendicular lines

• points

• intersecting lines

An exact location in space

• angle
• line
• point
• ray

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CCSS.4.G.A.1