Chapter 1 Tools of Geometry

Part of a line. Has one endpoint and continues on forever in one direction.

• Segment
• Line
• Ray
• Point

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

• Point
• Angle
• Line
• Segment

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CCSS.HSG.CO.A.1

An exact location in space with no length or width.

• Ray
• Point
  Point
• Line
• Segment

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CCSS.4.G.A.1

Name the image

• Line
• Ray
• Line segment
• Angle

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CCSS.4.G.A.1

A line is named by...

• Any 2 points on the line, or a lowercase script letter.
• Any 3 points on the line.
• Any 1 point on the line.
• Any 3 points on the line, or a uppercase script letter.

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CCSS.HSG.CO.A.1

A plane is named by...

• Any 1 point on the plane.
• Any 3 collinear points on the plane or a lowercase script letter.
• Any 3 non-collinear points on the plane or an uppercase script letter.
• All points on the plane that aren't part of a line.

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CCSS.HSG.CO.A.1

Two lines intersect at a ....

• angle
• point
• line
• intersection

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CCSS.4.G.A.1

Two planes intersect at a...

• line
• point
• plane
• letter

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CCSS.4.G.A.1

Name 4 collinear points

• HMNO
• IKNO
• MJOL
• HNKI

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CCSS.HSG.CO.A.1

Give another name for line k.

• Line BC
• Line BCE
• Line ED
• Line k is the only name, there isn't another name.

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CCSS.HSG.CO.A.1