Diameter of a Circle
A circle has a radius of 4 inches. What is the diameter?
8 inches
Define the area of a circle
The space inside of a circle
what is pi
The ratio of the circumference of a circle to its diameter (or 3.14...)
Define the circumference of a circle.
The total length around the outside of a circle
True of False? The Radius of a circle is longer than the Diameter.
FALSE
A circle has a radius of 100 in. What is the diameter?
200 inches
The radius of a circle is 2 inches. What is the area?
12.56 in2 (squared)
True or False. If I know the radius of a circle, I can find the circumference.
TRUE
The diameter of a circle is 100 inches. What is the radius?
50 inches
What is larger, the radius or the diameter of a circle?
Diameter
When you write the area of a circle, you use the exponent of 2. What word do you use when you say the answer?
Squared
What is 2(x+3) + 3(x-2)
5x
The diameter of a circle is 4 cm. What is the circumference?
12.56 cm
The diameter of a circle is 1 cm. What is the radius?
1/2 cm
A circle has a radius of 150 feet. What is the diameter?
300 feet
The radius of a circle is 10 cm. What is the area?
314cm2 (squared)
55
The diameter of a circle is 1 in. What is the circumference?
3.14 in
The diameter of a circle is 220 mm. What is the radius?
110 mm
A circle has a radius of 1200 yards. What is the diameter?
2400 yards
The radius of a circle is 120cm. What is the area?
45,216cm2
What is the square root of 100
10
The diameter of a circle is 10 cm. What is the circumference?
31.4 in
The diameter of a circle is 1400 cm. What is the radius?
700 cm