Show:
Lines and Planes
Lines and Angles
Angles
Triangles
Circles and Quadrilaterals
100
This is a location. It has no size. You name it by a Capital Letter.
What is a point?
100
These lines have exactly one point in common.
What are intersecting lines?
100
This is an angle that is greater than 90 degrees.
What is an obtuse angle?
100
This is an angle with no congruent sides.
What is a scalene triangle?
100
This is quadrilateral with exactly one pair of parallel lines.
What is a trapezoid?
200
This is a series of points that extend in opposite directions without end.
What is a line?
200
These are lines that lie in the same plane and never intersect?
What are parallel lines?
200
This is an angle that is 180 degrees.
What is an obtuse angle?
200
This is an angle with two congruent sides.
What is an isosceles triangle?
200
This is a parallelogram with four congruent sides (angles do not have to be right angles)
What is a rhombus?
300
This is a part of a line with one endpoint and all the points of the line on one side of the endpoint.
What is a ray?
300
These are lines that lie in different planes. They are neither parallel nor intersecting?
What are skew lines?
300
These are two angles whose measures add up to 90 degrees.
What are complementary angles?
300
This is a triangle that has all three sides equal.
What is an equilateral triangle.
300
This is a quadrilateral with 10 sides.
What is a decagon?
400
This is a part of a line with two endpoints.
What is a line segment?
400
This is an angle between 0 and 90 degrees.
What is an acute angle?
400
These are two angles that add up to 180 degrees.
What are supplementary angles?
400
This is the number of angles that are acute in an acute triangle.
What is 3?
400
This is the number of degrees in a circle.
What is 360?
500
This is a flat surface that extends indefinitely in all directions and has no thickness.
What is a plane?
500
This is an angle that is exactly 90 degrees.
What is a right angle?
500
These are angles formed by two intersecting lines that are opposite each other?
What are vertical angles?
500
This is the number of obtuse angles in an obtuse triangle.
What is 1?
500
This is a segment that passes through the center of a circle and has both endpoints on the circle.
What is diameter?