Circles
Scale Model
Shapes & Angles
Final Jeopardy
100
What is the formula for the circumference of a circle?
C=2πr or C=πd
100
The scale of a model train is 1ft to 12 yds. One of the cars of the model train is 6yds long. What is the length in yds of the actual train?
72 yds.
100
Describe the pair of angles and then write an equation to find the measure of each angle.
Complementary, (x) + (x + 26) = 90
200
What is the formula for the area of a circle?
A=πr^2
200
The scale of a model train is 1ft to 4 yds. One of the cars of the model train is 2.3 yds long. What is the length in yds of the actual train?
9.2 yds
200
Write an equation that is true about the three angles.
x + y + z = 180
300
A corner shelf is a fourth (1/4) of a circle with a radius of 12.5. What is the area of the shelf?
122.6
300
The scale of a model train is 1in to 15ft. One of the cars of the model train is 6 in long. What is the length in ft of the actual train?
90ft
300
What is the area of the shape? Use Area of a triangle = 1/2 * base * height Use Area of a rectangle = length * width
7.5m^2
400
What is the radius of a circle that has a circumference of 10π?
5
400
The scale of a model train is 1in to 3.4ft. One of the cars of the model train is 3.4in long. What is the length in ft of the actual train?
11.56ft
400
Find the area of the shape.
261 ft^2
500
You have a mirror with a diameter of 10 inches, and a frame around the mirror that is 2 inches. What is the total area?
49π
500
The scale of a model train is 1in to 22ft. One of the cars of the model train is 10in long. What is the length in ft of the actual train?
220ft
500
Find the area of the shape. Use A = b * h Area = base * height
192 cm^2
500
Find the volume of packing peanuts needed to fill the shipping box.
41472 cubic centimeters or 41472 cm^3
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