How many degrees are in a right angle?
90 degrees
What is the radius of a circle?
The radius is a line from the center of the circle to any point on the circle.
The distance all the way around a circle is called the __________.
Circumference
How many vertices does a trapezoid have?
4 vertices
What is the diameter of a circle?
The diameter is a line that goes straight across the circle, through the center.
Does a circle have any straight sides?
No, a circle does not have any straight sides.
How many sides does a trapezoid have?
4 sides
How many angles does a trapezoid have?
4 angles
A line from the center to any point on a circle is called the __________.
Radius
A line that goes straight across the circle through the center is called the __________.
Diameter
What is the center of a circle called?
The center of a circle is called the center (simple as that!).