Vocabulary
Classifying Quadrilaterals
Interior Angles of Quadrilaterals
Identifying Lines of Symmetry
100
The distance around a polygon (any closed figure made up of line segments that meet at their endpoints).
What is perimeter?
100
A polygon that has foursides, four angles, and four vertices.
What is a quadrilateral?
100
The sum of the angles of a quadrilateral.
What is 360 degrees?
100
A line on which a figure can be folded such that the two halves of the vigure will match exactly.
What is a line of symmetry?
200
Figures that have the same size and shape.
What are congruent figures?
200
A rectangle with all sides equal in length
What is a square?
200
The measure of the missing angle in a quadrilateral if the other three angles measure: 95 degrees, 60 degrees, and 80 degrees.
What is 125 degrees?
200
The number of lines of symmetry on a rectangle.
What is 2?
300
Figures that have the same shape, but not necessarily the same size.
What are similar figures?
300
A quadrilateral with both pairs of opposite sides parallel.
What is a parallelogram?
300
The missing angle measure in a quadrilateral with the other three angles measuring: 100 degrees, 130 degrees, and 80 degrees.
What is 50 degrees?
300
The number of lines of symmetry on a scalene triangle.
What is 0 ?
400
A polygon that has all sides the same length and all angles the same measure.
What is a regular polygon?
400
A quadrilateral with exactly one pair of parallel sides.
What is a trapezoid?
400
The measurement of a missing angle in a parallelogram if the other three angles measure: 115 degrees, 115 degrees, and 65 degrees.
What is 65 degrees?
400
The number of lines of symmetry on a regular pentagon.
What is 5 ?
500
A polygon that is not a regular polygon' not all sides of the polygon are the same length and/or not all angles are the same measure.
What is an irregular polygon?
500
A parallelogram with four congruent sides and no right angles.
What is a rhombus?
500
The measurement of the missing angle in a trapezoid if the other angles measure: 45 degrees, 90 degrees, 90 degrees.
What is 135 degrees?
500
The number of lines of symmetry that an equilateral triangle has.
What is 3 ?
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