Test on Circle Geometry

If I have a diameter of 26, what is the radius?

• 13

• 52

• 15

• 50

If I have a diameter of 30, what is the radius?

• 13

• 60

• 15

• 50

If I have a Radius of 30, what is the Diameter?

• 13

• 60

• 15

• 50

If I have a Radius of 25, what is the Diameter?

• 13

• 60

• 15

• 50

What is the equation of the circle shown in the graph?

Mathematical Equivalence

ON

If I have a Diameter of 20, what is the Area of the Circle?

If I have a Radius of 8, what is the Area of the Circle?

You are given a circle with the center located at the origin and with point P on the positive x-axis. If P is moved counter-clockwise 2/3 of the way around the circle, in which quadrant will it be located?

• I

• II

• III

• IV

• It would not be in a quadrant

A segment is tangent to a circle if it intersects the circle in exactly one point.

• True

• False

Choose the best description of the polygon relative to the circle.

• Inscribed in the circle

• Circumscribed about the circle