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Created by Lynn Rathbun
over 10 years ago
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Copied by Anna Nervo
over 7 years ago
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Question | Answer |
open plane figure | |
open plane figure | A plane figure that does not start and end at the same point. |
closed plane figure | A plane figure that starts and ends at the same point. |
closed plane figure | |
plane figures | Plane figures are flat figures. They have length and width. They may be open or closed figures. |
vertex, vertices | A point where two sides of a polygon meet. |
quadrilaterals | Polygons with 4 sides and 4 angles. |
parallelogram | A quadrilateral with two opposite sides that are parallel. Only the opposites sides of a parallelogram need to be equal. |
parallelogram | |
rhombus | A parallelogram with sides that are equal in length. |
rhombus | |
trapeziod | A closed plane figure in which only one pair of opposite sides are parallel. |
trapezoid |
Image:
Trapezoid__PSF_ (image/png)
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congruent | Identical figures are congruent. They have the same shape and same size. |
congruent | |
slide | Move a figure in any direction to a new position. |
slide |
Image:
slide (image/jpg)
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flip | Turn a shape front to back over a line. |
flip |
Image:
flip (image/png)
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turn | Rotate a figure about a point. |
turn |
Image:
flip (image/png)
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not congruent | Two figures that are either not the same shape or not the same size. |
symmetry | Occurs when two halves of a figure fit each other exactly when folded along a line. Two halves are mirror images of each other. |
line of symmetry | A line that divides a figure into congruent halves. The halves fit exactly over each other when folded along this line. |
line of symmetry | |
symmetry |
Image:
symmetry1 (image/jpg)
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