Circular Reasoning
It's all 3D to me!
Triangles and Transformers, more than meets the eye
Looking from every angle
Figure it out
100
A set of points in a plane that are the same distance from a given point in a plane.
What is a circle?
100
The 2D surface of a 3D figure.
What is a face?
100
A triangle with all sides of equal length and all angles of equal measure.
What is an equilateral triangle?
100
An angle measuring less than 90 degrees and an angle greater than 90 but less than 180 degrees.
What is an acute and an obtuse angle?
100
A set of lines that cross at a given point.
What are intersecting lines?
200
A part of a circle named by it's endpoints.
What is an arc?
200
The place on a 3D figure where two faces meet.
What is an edge?
200
A triangle with two equal length sides.
What is isosceles?
200
An angle measuring 180 degrees.
What is a straight angle?
200
A figure that has one endpoint and extends forever in the opposite direction.
What is a ray?
300
A line segment with both endpoints on the circle.
What is a chord?
300
The point where more than one edge meets.
What is a vertex?
300
In this transformation, the polygon is in a new spot, but the same direction.
What is a slide?
300
An angle greater than 180 degrees.
What a reflex angle?
300
A part of a line named by it's endpoints.
What is a line segment?
400
The circumference of a circle is about 19 in. What is the approximate measure of the radius?
What is about 3 in?
400
A 3D figure with a square base, and 4 triangular faces.
What is a square pyramid?
400
This triangle has one 90 degree angle.
What is a right triangle?
400
Two angles that add up to 90 degrees.
What are complementary angles?
400
Lines that are always the same distance apart.
What are parallel lines?
500
The length of a piece of pie is 3.5 in. What is the circumference of the pie?
What is 10.99 in?
500
A 3D figure with a triangular base, 3 rectangular faces, and a triangular face.
What is a triangular prism?
500
This triangle has side lengths and angle measures that are all different.
What is scalene?
500
Two angles that add up to 180 degrees.
What are supplementary angles?
500
A figure in a plane that extends forever in both directions.
What is a line?
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