WorksheetsArea of a circle
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
a line from the center point to the edge of the circle
a)
diameter
b)
radio
c)
radius
d)
pi
2.
What is the formula for area of a circle given the radius?
a)
A = πr
b)
A = 2πr
c)
A = πd
d)
A = πr²
3.
a line that goes from one edge of the circle to another and crosses the center point
a)
center
b)
diameter
c)
dime eater
d)
radius
4.
What is the radius of this circle?
a)
18
b)
10
c)
9
d)
8
5.
What is the area of this circle?
a)
25π
b)
10π
c)
π
d)
5π
6.
What is the area of this circle?
a)
4π
b)
8π
c)
16π
d)
π
7.
What is the area of this circle?
a)
12π
b)
6π
c)
144π
d)
36π
8.
The diameter of Carol's old records from the 80s is 12 inches. Which equation would help you determine the area?
a)
A = 12π
b)
A = 2π12
c)
A = π(12²)
d)
A = π(6²)
9.
Find the exact area of a circle with radius of 9 inches.
a)
9 π in2
b)
18 π in2
c)
81 π in2
d)
36 π in2
10.
Find the exact area of a circle with diameter of 20 inches.
a)
100 π in2
b)
20 π in2
c)
400 π in2
d)
40 π in2
11.
Given the area of a circle is 16 π cm2, what is the radius?
a)
8 cm
b)
4 cm
c)
8 π cm
d)
2 cm
12.
Find the area of the circle, leaving your answer in terms of π
a)
4π cm2
b)
2π cm2
c)
16π cm2
d)
8π cm2
13.
Find the area of the circle, leaving your answer in terms of π
a)
64π cm2
b)
8π cm2
c)
16π cm2
d)
32π cm2
14.
Find the area of the circle, leaving your answer in terms of π
a)
121π cm2
b)
22π cm2
c)
484π cm2
d)
121π m2
15.
Find the area of the circle, leaving your answer in terms of π
a)
18π cm2
b)
324π cm2
c)
36π cm2
d)
81π cm2
100 %
