WorksheetsCircumference and Area
Total questions: 10
Worksheet time: 20mins
Name
Class
Date
1.
The radius is....
a)
a line that crosses through the center and touches each edge
b)
the center point of a circle
c)
a line from the center point to the edge of the circle
d)
an element in science
2.
What is the diameter?
a)
8
b)
16
c)
10
d)
4
3.
find the area of the circle below.
a)
100 cm
b)
225 cm
c)
9 cm
d)
28.26 cm
4.
Find the area of the circle. Use 3.14 for π. Round to the nearest tenth if necessary.
a circle with radius 48 mm
a circle with radius 48 mm
a)
7,234.56 mm2
b)
2,216.46 mm2
c)
7,934.59 mm2
d)
7,314.22 mm2
5.
Find the Circumference.
a)
31.4 in
b)
78.5 in sq
c)
15.7 in
d)
3.14 in
6.
A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?
How many feet around is the pool?
a)
10.5 ft
b)
42 ft
c)
65.97 ft
d)
131.88 ft
7.
what is the area of this semicircle ?
a)
25.13cm
b)
50.27cm
c)
200.96cm
d)
none of the above
8.
What is the area of the yellow?
a)
78.5 mi2
b)
19.625 mi2
c)
39.25 mi2
d)
31.4 mi2
9.
What is/are the formula(s) to find the circumference of a circle?
a)
3π6
b)
πr2
c)
2πr πd
10.
Radius: 11 feet
Circumference:
Circumference:
a)
11
b)
379.94
c)
34.54
d)
69.08
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