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Answer Key
Grade 3 Math: Geometry — Quadrilaterals
1.
a polygon with exactly 4 sides and 4 angles
2.
4
3.
square, rectangle, rhombus, parallelogram, trapezoid (any 4)
4.
4 equal sides and 4 right angles
5.
4 right angles; opposite sides equal
6.
Yes (in common school definitions)
7.
No
8.
a quadrilateral with both pairs of opposite sides parallel
9.
4-sided polygon
10.
square, rectangle, rhombus (etc.)
11.
4
12.
No
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