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WorksheetsDCA Circles & Volume
Total questions: 40
Worksheet time: 2hrs 11mins
What is the definition of radius?
The distance from the center to the perimeter
The distance across a circle
The distance all the way around a circle
What is the definition of diameter?
The distance from the center to the perimeter
The distance across a circle
The distance all the way around a circle
What is the definition of circumference?
The distance from the center to the perimeter
The distance across a circle
The distance all the way around a circle
2.5
5
10
15
2.5
5
10
1.25
What is the approximate value of π ?
3
3.14 …
3.5 …
2.71828 …
What does π represent?
The Area of a Circle
How many radii make up the diameter
How many diameters make up the circumference
Calculate the circumference to the nearest tenth.
31.4
62.8
15.7
314.2
Calculate the circumference to the nearest tenth.
62.8
31.4
125.7
1256.6
Calculate the area to the nearest tenths place.
36
113.1
37.7
18.8
A cruise ship has a large, circular window. It has a diameter of 6 meters. How many square meters of glass is the window made of?
31.25 m2
29.55 m2
30.36 m2
28.27 m2
Ms. Merine calculated that her hoop earring has a diameter of 3.5 centimeters. What is the circumference of her earring in terms of π ?
12.25 π cm
3.5 π cm
38.47 π cm
A line connecting 2 points of a circle but does not go through the center is called the....
radius
diameter
chord
supplementary
What is line DE called?
Chord
Radius
Diameter
Circumference
How many feet around is the pool?
Which equation would you use to find the area of a circle?
πr2
dπ
2r
½d
Which equation would you use to find circumference?
πr2
πd
2r
½d
How it is called that point A, which is in the middle of the circle?
radius
diameter
circumference
center
Jason is painting a large circle on one wall of his new apartment. The largest distance across the circle will be 8 feet. Approximately how many square feet of wall will the circle cover?
200.96 ft2
50.24 ft2
25.12 ft2
20.96 ft2
A clock face has a diameter of 10 inches. What is the approximate area of the clock face in square inches?
314 in2
31.4 in2
7.85 in2
78.5 in2
A lawn sprinkler sprays water 5 ft in every direction as it rotates. What is the area of the sprinkled lawn?
78.5 ft2
39.25 ft2
15.7 ft2
80.1 ft2
A school’s art teacher designs a circular flower bed inside a rectangular sandbox. The sandbox is 6 feet wide and 10 feet long.
If you're trying to figure out how much sand will fit, what are you finding?
circumference
area
The courtyard outside East Middle School is in the shape of a rectangle and half-circle. What is the perimeter of the courtyard?
*To find the circumference of the half circle, find the full circumference then divide it by 2!
328.5 meters
407 meters
500 meters
7,850 meters
What is the formula for the volume of a cylinder?
V = πr²h
V = 2πrh
V = πr² + h
V = πr²h²
Find the volume of the cylinder. Use 3.14 for pi. Round to the nearest tenths.
169.6
1526
1017.4
381.5
Find the volume. Use 3.14 as pi. Round to the nearest tenths.
94.2
282.6
942
70.7
Find the Volume of the Cylinder
9.73 mm3
368.3 mm3
10 mm3
Calculate the volume.
Round your answer to the nearest tenth.
Use 3.14 for pi.
5572.5 cm3
506.6 cm3
4126.7 cm3
1393.1 cm3
What is the formula for VOLUME of a CONE?
V = 31bh
V = Bh
V = πr2
V = bh
What is the volume of the cone to the nearest tenth (use the π button)?
157.1 m3
31.4 m3
471.2 m3
208.6 m3
When you have an answer in exact for it in terms of pi or rounded to the nearest hundredth?
Terms of Pi
Rounded to the Nearest Hundredth
