Show:
Points
Lines
Angles
Circles
Quadrilaterals
100
These are points that lie on the same line.
What is collinear?
100
Lines that are in the same plane but do not intersect.
What are parallel lines?
100
An angle that measures 180 degrees.
What is an straight angle?
100
A chord that passes through the center of a circle.
What is a diameter?
100
A quadrilateral with two pairs of parallel sides. Opposite sides and opposite angles.
What is a parallelogram?
200
What is coplanar?
Points and lines that lie in the same plane.
200
Two lines that cross at exactly one point.
What are intersecting lines?
200
Two angles with the sum of 90 degrees.
What are complementary angles?
200
A line segment from the center of a circle to a point on the circle.
What is a radius?
200
A parallelogram with four right angles
What is a rectangle/square?
300
This is a figure formed by two rays with common endpoints.
What is vertex?
300
Lines that intersect at right angles.
What are perpendicular lines?
300
Two angles with the sum of 180 degrees.
What are supplementary angles?
300
sector
What is the region in a circle bounded by two radii and their intercepted arc?
300
A parallelogram with four congruent sides.
What is a rhombus?
400
All points in a plane between two rays that form an angle.
What are interior points?
400
Lines that are in different planes and are neither intersecting nor parallel.
What are skew lines?
400
Two angels that share a common side and vertex but have no common interior points.
What is an adjacent angle?
400
An angle whose vertex is on the circle and whose sides intersect the circle at other points.
What is inscribed angle?
400
A quadrilateral with exactly one pair of parallel sides.
What is a trapezoid?
500
All points in a plane not part of an angle or its interior.
What are exterior points?
500
A line that intersects two or more lines at different points.
What is a transversal line?
500
An angle whose measure is greater than 180 degrees but less than 360 degrees.
What is a reflex angle?
500
An angle that has its vertex at the center of a circle.
What is central angle?
500
A quadrilateral with two pairs of adjacent sides that are congruent. The measures of its angles are each less than 180 degrees.
What is a kite?