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Geometry Review
Game Code: 71040
English
20
Public
Circles and Composite Figures
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The distance from one side of a circle to the other while going through the center is called its _____________________.
diameter
5
The distance around a circle is called its ________________________.
circumference
5
To find the radius of a circle when given its diameter, you have to ________________.
divide by 2
10
To find the diameter of a circle when given its radius, you have to _________________.
multiply the radius by 2 or double it
10
Pi is the relationship between a circle's circumference and its diameter. What value can you use to represent pi?
3.14 or 22/7 or 3 as an estimate
10
If the radius of a circle is 7.5 centimeters, what is its diameter?
15 centimeters Did you remember the label?
15
The distance from the edge of a circle to its center is called the _____________.
radius
5
If the diameter of a circle is 24 feet, what is its radius?
12 feet Did you remember the label?
15
ESTIMATE the circumference of a circle with a diameter of 7 inches. (use mental math and a formula chart if needed)
approximately 21 inches
15
If the radius of a circle is 18 meters, what is its diameter?
36 meters Did you remember the label?
15
What is the radius of the circle shown in the above figure?
1.5 inches
20
What is the height of the trapezoid shown?
12 cm
20
Explain how to find the area of a semicircle
Find the area of a circle and then divide by 2. (pi x radius x radius divide by 2)
25
What is the height of the triangle shown above?
12 ft
15
What is the radius of ONE of the circles shown in the figure above?
6.25 in
25
If the diameter of a circle is 17 meters, what is its radius?
8.5 m Did you remember the label?
15
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