Question 1
A circle has a radius of 9 centimeters. What is its circumference, in centimeters?
Easy - Quiz 1
Get familiar with the core circle formulas: circumference, area, basic arc length, and reading the equation of a circle.
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A circular table has a diameter of 12 feet. What is the area of the table, in square feet?
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The circumference of a circle is \(20\pi\) inches. What is the radius of the circle, in inches?
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A circle has a radius of 8 inches. What is the length of an arc that corresponds to a central angle of 90°?
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The equation of a circle is \((x - 3)^2 + (y + 2)^2 = 25\). What are the center and radius of the circle?