Circle Quiz Review Guide
What is the area of a circle if its diameter is 10 centimeters?
78.5 centimeters
What is the formula for the Area of a Circle?
A=πr2
The radius of a circle is 3 inches. What is the area?
Area = 28.26 in
The diameter of a circle is 8 centimeters. What is the area?
Area = 50.24 cm
The diameter of a circle is 12 inches. What is the area?
Area=113.04 in
The radius of a circle is 9 centimeters. What is the area?
Area=254.34 cm
The diameter of a bicycle wheel is 20 inches. What is the area of the wheel?
Area=314
The radius of a circular rug is 4 feet. What is the area?
Area=50.24 feet
What is the area of a circle with radius of 3 m ?
Area== 28.27 m2
A line that links two points on a circle?
Chord (cord)
A_________________ is a part of a line that is bounded by two end points.
Line segment
The radius of a circle is 2 inches. What is the circumference?
circumference = 12.56 in
Find the circumference of a circle with a diameter of 7.5 inches.
circumference = 23.55
The diameter of a circle is 3 centimeters. What is the circumference?
circumference = 9.42 cm
The distance around a circle is called its
circumference.
If the radius of a circle is 15.3 centimeters, then what is the diameter?
d=30.6
The radius of a circle is 2 inches. What is the diameter?
diameter = 4 in
. The distance across a circle through its center is called its
diameter.
The __________ of a circle is the distance from the center of a circle to any point on the circle
radius
What is the diameter of a circle with radius of 7 inches?
the diameter of a circle is 14 inches