LINGO
Circumference
Area
100
I am the line that goes from the center of a circle to the edge.
Radius
100
I am the formula for circumference of a circle with radius. Who am I?
2πr
100
What measurement of a circle must you have to find area?
radius
200
I am the line that passes through the center of a circle from edge to edge.
diameter
200
I am the formula for circumference of a circle with diameter. Who am I?
πd
200
What is the formula for finding area of a circle?
πr^2
300
I am the distance around a circle.
Circumference
300
What is the circumference of a circle that has a diameter of 8"?
8π" or 25.13"
300
What is the area of a circle that has a radius of 15"?
706.5 in^2 or 225π
400
I am the space inside an object.
area
400
What is the circumference of a circle that has a radius of 17?
34π" or 106.76"
400
What is the area of a circle that has a diameter of 10"?
25π in^2 or 78.5 in^2
500
I am what area must be measured in.
Units squared
500
One circle has a radius of 2", another circle has a diameter of 4". Are these two circles the same, why or why not?
Yes, because 2 x 2 = 4 and r x 2 = d.
500
What has a bigger area? A) A circle with a diameter of 10" B) A circle with a radius of 6"
B) A circle with a radius of 6" (36π in^2). The area of circle A is 25π in^2
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