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4 cards from this section. Quick, good the night before a test.
What is the center of a circle?
It’s where all radii meet.
If the radius is 3 cm, what is the diameter?
Remember D = 2R.
What is the formula for the circumference of a circle?
Think about the relationship between diameter and circumference.
True or False: The diameter of a circle is equal to twice the radius.
Remember the formula D = 2R.
If a circle has a circumference of 50 cm, what is the radius? Show your work.
Apply the circumference to diameter formula.
Create a real-world application using the circle’s center, radius, and circumference. Explain how you represented each component.
Think of practical applications where circles are prominent.
5 more questions in this section. Enroll free to practise them all.
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