6th grade geometry terms and image
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| A figure formed by two rays or line segments with a common endpoint. The rays or line segmanets are called "sides." | Angle
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| The common endpoint in an angle | Vertex
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| Has a measure greater than 0 and less than 90 | Acute Angle
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| Has a measure of 90 | Right Angle
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| Has a measure of 180 | Straight Angle
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| Has a measure greater than 180 but less than 360 | Reflex Angle
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| Has a measure greater than 90 but less than 180 | obtuse Angle
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| Two angles whose measures total 90 | Complementary Angles
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| Opposite angles that are equal in measure. When two lines intersect, the angles that do not share a common side | Vertical Angles
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| A line that crosses two or more lines. | Transversal
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| Two angles whose measures total 180 | Supplementary Angles
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| Angles that are next to each other. Adjacent angles have a common vertex and share a common side. | Adjacent Angles
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| Having the dame size and shape | Congruent
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| Having the same relative position in similar or congruent figures | Corresponding Angles or Sides
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| The angles of a 2 dimensional or 3 dimensional figure | Interior Angles
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| The outside angles of a 2 dimensional or 3 dimensional figure | Exterior Angles
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| Something done to a figure that produces a new figure (translation, reflection, or rotation) | Transformation
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| The ORIGINAL geometric figure that is changes (by a reflection, rotation, or translation) to produce another figure. | Pre-Image
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| A NEW figure that is produced by a transformation of another image | Image
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| "Turning" a figure around a fixed point | Rotation
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| The "flipping" of a figure over a line. | Reflection
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| "Sliding" a figure a certain distance | Translation
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| Two lines that never meet, no matter how far they are extended | Parallel Lines
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| Two Lines that cross or meet at a right angle | Perpendicular Lines
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| A line that divides a segment, angle, or figure into two equal parts. | Bisector
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| A point halfway between two points | Midpoint
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