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Lesson 1-1 Points, Lines, and Planes

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Ohio Content Standards:

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Formally define geometric figures.

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Ohio Content Standards: Formally define geometric figures. Recognize and explain the necessity for certain terms to remain undefined, such as point, line and plane

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Vocabulary:

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Vocabulary: Point:Point:

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Vocabulary: simply a location

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Vocabulary: Line:Line:

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Vocabulary: made up of points and has no thickness or width

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Vocabulary: Collinear:Collinear:

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Vocabulary: points on the same line

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Vocabulary: Plane:Plane:

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Vocabulary: flat surface made up of points

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Vocabulary: Coplanar:Coplanar:

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Vocabulary: Points that lie on the same plane

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Use the figure to name each of the following:

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J L K M

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a line containing point K J L K M

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Use the figure to name each of the following: a line containing point K a plane containing point L J L K M

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Name the geometric shape modeled by each object.

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the long hand on a clockthe long hand on a clock

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Name the geometric shape modeled by each object. the long hand on a clockthe long hand on a clock a 10 X 12 patioa 10 X 12 patio

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Name the geometric shape modeled by each object. the long hand on a clockthe long hand on a clock a 10 X 12 patioa 10 X 12 patio the location where the corner of a driveway meets the roadthe location where the corner of a driveway meets the road

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Vocabulary:

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Vocabulary: Undefined terms:Undefined terms:

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Vocabulary: terms only explained using examples and descriptions

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Draw and label a figure for each relationship.

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plane R contains lines AB and DE, which intersect at point P. Add point C on plane R so that it is not collinear with AB or DE.

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Draw and label a figure for each relationship. plane R contains lines AB and DE, which intersect at point P. Add point C on plane R so that it is not collinear with AB or DE. QR on a coordinate plane contains Q(-2, 4) and R(4, -4). Add point T so that T is collinear with these points.

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D C B A S

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How many planes appear in this figure? D C B A S

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Name three points that are collinear. D C B A S

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How many planes appear in this figure? Name three points that are collinear. Are points A, B, C, and D coplanar? Explain. D C B A S

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How many planes appear in this figure? Name three points that are collinear. Are points A, B, C, and D coplanar? Explain. At what point do DB and CA intersect? D C B A S

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Assignment: Pgs. 9 - 11 14 - 46 evens

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