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100
Triangle with three congruent sides
What is an equilateral triangle?
100
Two angles whose sum is 90 degrees
What are copmlementary angles?
100
Triangle with one right angle.
What is a right triangle?
100
Part of a line with one endpoint
What is a ray?
100
Congruent angles formed by intersecting lines
What are vertical angles?
200
Congruent interior angles on oppposite sides of the transversal
What are alternate interior angles?
200
Figures with the same shape AND size
What are congruent figures?
200
Parallelogram with four cngruent sides.
What is a rhombus?
200
Quadrilateral with both pairs of sides parallel and congruent
What is a parallogram?
200
Triangle with one obtuse angle
What is an obtuse triangle?
300
Parallelogram with four right angles and four congruent sides
What is a square?
300
Triangle with two congruent sides
What is an isosceles triangle?
300
Line that intersects parallel lines.
What is a transversal?
300
Part of line with two endpoints
What is a line segment?
300
Congruent angles on the same side of the transversal in the corresponding position
What are corresponding angles?
400
lines that do not lie on the same plane, are not parallel, and do not intersect
What are skew lines?
400
Angles that share a common side and vertex.
What are adjacent angles?
400
Triangle with three acute angles.
What is an acute triangle?
400
Two angles whose sume is 180 degrees
What are supplementary angles?
400
Polygon with all sides and angles congruent.
What is a regular polygon?
500
Polygon with four sides
What is a quadrilateral?
500
Parallelogram with four right angles.
What is a rectangle?
500
Quadrilateral with one set of parallel lines
What is a trapezoid?
500
Triangle with no congruent sides
What is a scalene triangle?
500
lines that never intersect
What are parallel lines?
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