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Worksheets

Tuesday, 4/26

Total questions: 12

Worksheet time: 36mins

Name
Class
Date
1.

What number is pi?

a)

1.41

b)

2.00

c)

3.14

d)

5.14

2.
What is the "formal" definition of pi?
a)
22/7
b)
3.1415926
c)
the ratio of a circle's circumference to its diameter
d)
the surface area of a sphere of diameter 22/7
3.

The equation C = πd, is used to find the circumference of a circle given it's diameter. This formula can be rearranged to solve for pi. Which equation is written correctly to solve for pi?

a)

π = Cd

b)

π = C ÷ d

c)

π = d ÷ c

d)

π = C - d

4.

Which of these ratios is the closest approximation of pi?

a)

13/4

b)

16/5

c)

19/6

d)

22/7

5.

_____________ is half of the diameter

a)

circumference

b)

center

c)

radius

d)

diameter

6.

_____________ is twice the radius

a)

circumference

b)

center

c)

radius

d)

diameter

7.

If you don't do your work, you will ___________.

a)

fail

b)

fail

c)

fail

d)

fail

8.
The symbol for Pi is
a)
π
b)
Σ
c)
Ψ
d)
9.
Which formula below would you use to find π?
a)
C/d = π
b)
C x d= π
10.
π is equal to circumference divided by _________________.
a)
radius
b)
diameter
c)
area
d)
itself
11.

π is a ratio.

It compares a circle's circumference

to its _________________.

a)

radius

b)

diameter

c)

area

d)

itself

12.

The diameter of a circular pool is 24.8 feet and the circumference is 77.9 feet. What should you do to find π?

a)

77.9 / 24.8

b)

24.8 / 77.9