Ratio
Diameter
Circumference
Area
Random
100
What is a radius?
A radius is a LINE SEGMENT that goes from the CENTER to the EDGE of a circle.
100
What is a diameter?
A diameter is a LINE SEGMENT that goes from one edge of a circle to another edge, through the CENTER
100
What is a Circumference?
Circumference is the DISTANCE around a circle
100
What is an area of a circle?
It is the stuff inside a circle, how much SPACE a circle takes up.
100
-5 + 3 = ???
-5 + 3 = -2
200
If the diameter is 56 inches, what is the radius?
Radius = Diameter divide 2
Radius = 56 divide 2 = 28
200
If the radius is 9.40 miles, what is the diameter?
Diameter = radius times 2
Diameter = 9.40 times 2
Diameter = 18.8
200
If the diameter is 13.98 inches, what is the Circumference?
Circumference = pi times diameter
Circumference = 3.14 times 13.98
Circumference = 43.8972
200
If the radius is 8.42 meters, what is the area?
Area = pi times radius times radius
Area = 3.14 times 8.42 times 8.42
Area = 222.614696
200
What is a group of frogs called?
A group of frogs is called an army
300
If the Circumference is 22.238 feet, what is the radius?
Radius = Circumference divide (2 times pi)
22.238 divide (2 times 3.14)
22.238 divide 6.28
"Radius" = 3.541082803
300
If the Circumference of a circle is 15.72 feet, what is the diameter?
Diameter = Circumference divide pi
Diameter = 15.72 divide 3.14
Diameter = 5.006369427
300
If the radius is 8.98 centimeters, what is the Circumference?
Circumference = 2 times pi times radius
Circumference = 2 times 3.14 times 8.98
Circumference = 56.3944
300
If the diameter is 5.12 yards, what is the area?
Radius = diameter divide 2
Radius = 5.12 divide 2 = 2.56
Area = 3.14 times 2.56 times 2.56
Area = 20.578304
300
-10 - (-10) =
-10 - (-10) = 0
400
If the diameter is 118.82 miles, what is the radius?
Radius = diameter div 2
Radius = 118.82 div 2
Radius = 59.41
400
Find the Area.
Area = pi times radius times radius
Area = 3.14 times 16 times 16
Area = 803.84
400
Find Circumference.
Circumference = pi times diameter
Circumference = 3.14 times 22
Circumference = 69.08
400
If the diameter is 150.82 centimeters, what is the area?
Radius = diameter div 2
Radius = 150.82 div 2
Radius = 75.41
Area = pi times radius times radius
Area = 3.14 times 75.41 times 75.41
Area = 17856.13783
400
What year was LaCreole Middle School founded?
LaCreole Middle School was founded in 1966 and had grades 7 and 8.
500
If the Circumference is 32.34 yards, what is the radius?
Radius = Circumference divide (2 timespi)
Radius = 32.34 divide (2 times 3.14)
Radius = 32.34 divide 6.28
Radius = 5.149681529
500
Find the Area, if the diameter = 17
Radius = diameter divide 2
Radius = 17 divide 2
Radius = 8.5
Area = pi times radius times radius
Area = 3.14 times 8.5 times 8.5
Area = 226.865
500
Find the Circumference.
Circumference = 2 times pi times radius
Circumference = 2 times pi times 17
Circumference = 106.76
500
If the Circumference is 8.98 inches, what is the area?
(HINT: find radius FIRST, then find the are)
Radius = Circumference div (2 times pi)
Radius = 8.98 div (2 times 3.14)
Radius = 1.4299
Area = pi times radius times radius
Area = 3.14 times 1.4299 times 1.4299
Area = 6.420087991
500
(-13.2) div 6
(-13.2) div 6 = -2.2