Unit Test #33
A circle has a radius of 9 cm.
What is its diameter?
A B C D
Which of the following can be used as approximations for pi?
What is the radius of the circle?
What is the circumference of the circle above?
Use π = 3.1
Remember:Circumference = pi x diameter
What is the area of the circle above?
Use π= 3.1 and give answer to one decimal place.
Remember:Area = pi x radius x radius
If the circumference of a circle is 24.8 cm, what is its diameter?
What mathematical name best describes a tennis ball?
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