Parts of Lines | Types of Lines | Angles and Triangles | Quadrilaterals |
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point
What is an exact location that is represented by a dot called?
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intersecting lines
What are lines that meet or cross each other called?
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right angle
What type of angle measures exactly 90*
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rectangle
This shape has opposite sides that are equal in length and parallel. It has 4 right angles.
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ray
What has one endpoint and extends in the opposite direction without stopping?
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parallel lines
What are lines that are always the same distance apart, without ever meeting or touching, called?
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Obtuse triangle
What kind of triangle has at least one side measuring greater than 90*?
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trapezoid
This shape has exactly one pair of parallel sides.
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endpoint
What is the point at either end of a line segment or the point at the beginning of a ray.
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perpendicular lines
What are lines that meet or cross each other to form square corners (90* angles) called?
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Acute angle
What type of angle measures less than 90*?
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parallelogram
This shape has opposite sides that are equal in length and parallel. It's opposite angles are the same size
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line segment
What is a part of a line between two endpoints?
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Line of Symmetry
What type of line can a figure be folded so that its two halves match exactly?
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Obtuse angle
What type of angle measures more than 90*, but less than 180*?
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square
This shape has opposite sides equal in length and parallel. It has 4 right angles and 4 equal sides.
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line
What is a set of straight points that extends in the opposite direction without stopping?
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Acute triangle
What type of triangle has three angles measuring less than 90*?
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rhombus
This shape has opposite sides that are equal in length and parallel. It has 4 equal sides.
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