Scale Drawings
Circumference of a Circle
Area of a Circle
Surface Area of a Cylinder
Volume of a Cylinder
Arc Length and Area of a Sector
200
Find the area of the circle. Use 3.14 for pi. Include correct units. No need to round, write the entire number.
78.5 square centimeters
200
There is a hot tub shown in the picture. Approximately how much water does it hold? Use 3.14 for pi and round your answer to the nearest whole cubic meter. Include the correct units.
2,894 cubic meters
300
A circular garden has a circumference of 20.95 ft. What is the diameter of the garden? Use 3.14 for pi. Round your answer to the nearest hundredth. Include correct unit.
6.67 ft.
300
What is the approximate volume of the cylinder? Use 3.14 for pi. Include correct units. The radius is 4 inches. No need to round, use the entire number.
602.88 inches cubed
400
What is the actual length and the actual width of the rectangle?
39.6 ft and 36 ft
400
A circular napkin has a circumference of 21.98 inches. What is the area of the napkin? Use 3.14 for pi. Round your answer to the nearest whole number. Include correct units.
38 inches squared
400
What is the surface area of a cylinder that is 12 centimeters high and has a diameter of 2.5 centimeters. Given an exact answer. Include correct units.
33.125 pi
cm^2
400
Suppose the radius of a cylinder changes, but its volume stays the same. How must the height of the cylinder change?
A. The height does not change
B. If the radius increases, the height must increase
C. If the radius decreases, then the height must decrease.
D. If the radius increases, then the height must decrease.
D. If the radius increases, then the height must decrease.
400
Given that arc AB has an angle of 45 degrees and a radius of 12 feet. Calculate the length of arc AB. Use 3.14 for pi. Round to two decimals places. Include correct units.
9.42 ft.
500
The blueprint of a pool has a scale of 2 inches equals 8 feet. The scale drawing is show below.
What is the actual length and the actual width of the pool?
How much would it cost to buy a cover for the pool that costs $0.45 per square foot?
8 feet by 16 feet
$57.60
500
Find the circumference of the circle. Use 3.14 for pi. Include correct units. No need to round, write the entire number.
25.12 cm
500
Steve is building a circular bench with a diameter of 5.5 feet. The wood costs $44.50 per square foot. How much will it cost Steve to make the bench? Use 3.14 to approximate pi.
$1056.71
500
Use the net to find the surface area of the cylinder. Use 3.14 for pi. Round to the nearest tenth. Include correct units. The radius is 3 centimeters.
244.9 square centimeters.
500
A cylinder has a volume of 350 cubic feet. If the height of the cylinder is 10 feet, what is the radius of the cylinder? Use 3.14 for pi and round to the nearest hundredth.
3.34 ft.
500
Calculate the area of the sector shaded. Use 3.14 for pi. Round to two decimal places if needed. Include correct units.
75.36 meters squared