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| Pregunta | Respuesta |
| Polygon | A closed, flat figure that is made up of three or more sides and angles |
| How are polygons identified? | By the number of sides they have |
| How many sides does a triangle have? | 3 |
| How many sides does a quadrilateral have? | 4 |
| How many sides does a pentagon have? | 5 |
| How many sides does a hexagon have? | 6 |
| How many sides does a octagon have? | 8 |
| How many sides does a decagon have? | 10 |
| Quadrilateral | An enclosed shape with 4 sides and 4 angles. |
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Image:
Parallelogram (image/jpg)
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Opposite sides are parallel and equal; opposite angles are equal |
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Image:
Rectangle (image/jpg)
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A parallelogram containing four right angles |
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Image:
Rhombus (image/jpg)
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A parallelogram in which all sides are equal; opposite angles are equal |
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Image:
Square (image/jpg)
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A rectangle in which all sides are equal |
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Image:
Trapezoid (image/jpg)
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Only one pair of opposite sides is parallel |
| The two nonparallel sides are equal. Note the two sets of equal angles. | |
| Perimeter | The distance around a shape or figure |
| How do you find the perimeter of most shapes? | Just add all of the sides together |
| What key words should you look for in word problems? | Around, enclose, and border |
| Square | A shape with four equal sides and 4 right angles |
| How do you find the perimeter of a square? | Just add all 4 sides or multiply one side by 4 |
| What is the formula for finding the perimeter of a square? | Perimeter = 4 x side |
| Rectangle | A 4-sided shape with 4 right angles. Opposite sides are parallel and equal |
| What is the formula for finding the perimeter of a rectangle? | P = 2 x length+ 2 x width |
| Triangle | A three-sided shape that has three lines that meet and form three angles |
| What is the formula for finding the perimeter of a triangle? | P = side1 + side2 + side 3 |
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