Angles
Polygons
Triangles
Circles
Lines and Planes
100
The point of intersection of the two sides of an angle or figure.
What is a vertex?
100
A closed plane figure with sides formed by three or more line segments.
What is polygon?
100
A triangle with 3 congruent sides.
What is equilateral triangle?
100
Part of a circle.
What is an arc?
100
Is a location.
What is a point?
200
An angle that measures between 90 degrees and 180 degrees.
What is an obtuse angle?
200
A polygon that is a quadrilateral with exactly 1 pair of parallel sides.
What is trapezoid?
200
A triangle with 3 acute angles.
What is acute triangle?
200
The diameter of a circle given that the radius is 4 cm.
What is 8 cm?
200
A series of points that extend in opposite directions.
What is a line?
300
Two angles, whose sum is 90 degrees.
What are complementary angles?
300
A polygon that is a quadrilateral and a parallelogram with 4 right angles.
What is a rectangle or square?
300
A triangle with at least 2 congruent sides.
What is a scalene triangle?
300
A segment that passes through the center of the circle and has both endpoints on the circle.
What is a diameter?
300
A part of a line with two endpoints and all point in between.
What is a line segment?
400
An angle that measures 180 degrees.
What is a straight angle?
400
A polygon with 6 sides.
What is a hexagon?
400
All 3 angles of a triangle add up to this degrees.
What is 180?
400
An arc that is half of a circle.
What is a semicircle?
400
Lines that have exactly one point in common.
What are intersecting lines?
500
Two angles whose sum is 180 degrees.
What are supplementary angles?
500
A polygon with all sides congruent and all angles congruent.
What is a regular polygon?
500
A triangle that has 3 acute angles and no congruent sides.
What is an acute, scalene triangle?
500
The radius of the circle when the diameter is 16 inches.
What is 8 inches?
500
Lines in the same plane that never intersect.
What are parallel lines?
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