Radius and Diameter
Circumference
Area (circles and triangles)
100
If a pizza (circle) has a diameter of 10 inches. What is the radius? This is how long each piece of pizza will be!
What is 5 inches
100
The diameter of a pizza is 15 inches. What is the circumference? (the crust!)
What is 47.1
100
The radius of a pie is 5 inches, what is the area of the pie?
What is 78.5
200
If the radius of a pie is 10 inches, what is the diameter? (big pie!)
What is 20 inches
200
The pie is 8 inches across (diameter). What is the circumference?
What is 25.12 inches
200
The radius of a pizza is 10 inches. What is the area?
What is 314 inches
300
A tire is 30 inches wide. What is the radius?
What is 15 inches
300
The diameter of the wheel is 20 inches. What is the circumference?
What is 62.8 inches?
300
The height of a triangle is 5 inches. The base is also 5 inches. What is the area of the triangle?
What is 12.5 inches
400
A bike tire's radius is 16 inches (this is how long the spokes are), how wide is the tire altogether? (diameter)
What is 32 inches
400
The RADIUS of a circle is 5 inches. What is the circumference?
What is 31.4 inches
400
The DIAMETER of a circle is 12 inches. What is the area?
What is 113.04 inches
500
The RADIUS of a circle is 2 inches. What is the circumference?
What is 12.56 inches
500
The DIAMETER of a pizza is 22 inches, what is the area?
What is 379.94 inches
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