Show:
Polygons
Circles
Lines and Planes
Angles
Triangles
100
I have 4 sides.
What is a quadrilateral
100
I am a line segment that has both endpoints on the circle.
What is a Chord.
100
I am a location and have no size.
What is a point.
100
I am the point of intersection of two sides of an angle.
What is a vertex.
100
I am a triangle that has three congruent sides.
What is an Equilateral triangle.
200
I am a quadrilateral with four congruent sides and four right angles.
What is a Square.
200
I am a part of a circle.
What is an Arc.
200
I am a flat surface that extends indefinitely in all directions and has no thickness.
What is a plane.
200
I am a figure formed by two rays with a common endpoint.
What is an Angle.
200
I am a triangle with three angles less than ninety degrees.
What is an Acute triangle.
300
I am a quadrilateral with both pairs of opposite sides parallel.
What is a Parallelogram.
300
I am a set of points in a plane that are all the same distance from a given point.
What is a Circle.
300
Lines that lie in different planes and are neither parallel nor intersecting.
What are skew lines.
300
I am an angle between zero degrees and ninety degrees
What is an Acute Angle.
300
The sum of the three angles in a triangle must add up to ___ degrees.
What is 180.
400
I am a polygon with 8 sides that are not congruent.
What is an Irregular Octagon.
400
I am an angle with its vertex at the center of a circle.
What is a Central angle.
400
Lines that lie in the same plane that never intersect.
What are parallel lines.
400
I am an angle that forms a straight line.
What is a straight angle.
400
I am a triangle who has no sides that are congruent.
What is a scalene triangle.
500
I am a ten sided polygon with congruent sides.
What is a regular decagon.
500
I am a special case of a chord.
What is a Diameter.
500
I am a part of a line with one endpoint and all points of the line on one side of the endpoint.
What is a Ray.
500
I am a pair of angles that are formed by two intersecting lines and are opposite each other.
What are vertical angles.
500
Is it possible for a triangle to have two right angles? Justify your answer.
No because the sum of the three angles must be equal to 180 degrees.