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10 questions
Which best represents the circumference of a circle with a radius of 12 inches?
37.68 inches
75.36 inches
62.14 inches
27.14 inches
Which best represents the area of a circle with a radius of 8 inches?
200.96 inches
50.24 inches
192.14 inches
31.4 inches
The circumference of a circle is 36π units, what is the radius ?
19 units
13 units
36 units
18 units
The most popular size pizza at Pizza Parlor is a large pizza with a 12-inch radius. Which of the following best represents the circumference of this pizza?
62.84 inches
60 inches
75.36 inches
452.16 inches
Does 7 inches represent the diameter or radius of the circle?
Diameter
Radius
Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference?
11.32 ft
12.25 ft
10.99 ft
8.75 ft
What is the area of this circle?
163.24 cm2
15.32 cm2
124.24 cm2
113.04 cm2
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