7th Unit 3 Section A Checkpoint
Question 1
Think about the radius, diameter and circumference and how they are related. Answer the following questions:
What is the difference between the radius and diameter of a circle?
If I know the radius, how do I find the diameter?
If I know the diameter, how do I find the radius?
What is the circumference of a circle?
If I know the radius, how do I find the circumference?
If I know the diameter, how I find the circumference?
If I know the circumference, how can I find the diameter?
Question 2
A wagon wheel has a radius of 21 inches. What is the circumference of the wheel. Round your answer to the nearest whole number. Explain or show your reasoning.
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