This is the point from which all points in a circle are equally distant.
What is the center?
The measure of this angle is 90 degrees.
What is a right angle?
This is a polygon with four sides.
What is a quadrilateral?
Is this shape a polygon? Why/Why not?
NO. It does not have 3 or more sides.
The measure of this angle is less than 90 degrees.
What is an acute angle?
A closed 2-dimensional figure that has 3 or more sides.
What is a polygon?
This is any line segment through the center that connects two points on a circle.
What is the diameter?
The measure of this angle is greater than 90 degrees.
What is an obtuse angle?
This quadrilateral has exactly one pair of parallel sides.
What is a trapezoid?
This is the distance around the circle.
What is the circumference?
The measure of this angle is 180 degrees.
What is a straight angle?
Both pairs of opposite sides are parallel in this quadrilateral.
What is a parallelogram?
This is any line segment that connects the center of a circle to a point on the circle.
What is the radius?
All the sides are the same length in this parallelogram.
What is a rhombus?