Illustrate and name parts of circles, including radius, diameter, and circumference; know that the diameter is twice the radius
A first look
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Question 1 of 3
In a circle, point O is the center. Points A and B are opposite ends of a straight line that passes through O, and point C is a point on the edge of the circle. Which answer correctly names the radius, the diameter, and the circumference?
Question 2 of 3
Which sentence correctly describes how the radius and diameter of a circle are related?
Question 3 of 3
If the radius of a circle is 4.5 cm, what is the diameter of the circle?
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