Share/Like This Page
Print Instructions

NOTE: Only your test content will print.
To preview this test, click on the File menu and select Print Preview.




See our guide on How To Change Browser Print Settings to customize headers and footers before printing.

Circle Calculations (Grade 8)

Print Test (Only the test content will print)
Name: Date:

Circle Calculations

1. 
A rose garden is in the shape of a circle with a circumference of approximately 37.7 feet. 11.8 is closest to the diameter of the rose garden. (Use 3.14 for pi).
  1. True
  2. False
2. 
A square is inscribed in a circle with a radius of 5 cm. Each vertex of the square lies on the circle. The area of the square is 75 sq. cm.
  1. True
  2. False
3. 
Use 3.14 for [math]pi[/math]. If the diameter of a circle is 28.1 yd, what is the circumference of the circle?
  1. 44.1 yd
  2. 176.5 yd
  3. 25.0 yd
  4. 88.2 yd
4. 
Use 3.14 for [math]pi[/math]. Find the circumference of a circle when the diameter is 3.5 m.
  1. 5.5 m
  2. 11.0 m
  3. 22.0 m
  4. 34.5 m
5. 
Find the circumference of a circle with a radius of 6 inches. (Use 3.14 for Pi)
  1. 37.68 inches
  2. 18.84 inches
  3. 9.42 inches
  4. 9.14 inches
6. 
Given a radius is 6.1 mm and use 3.14 for [math]pi[/math], what is the circumference of the circle?
  1. 19.2 mm
  2. 9.6 mm
  3. 38.3 mm
  4. 60.1 mm
7. 
Given the radius of a circle is 8.6 cm and using 3.14 for [math]pi[/math], the circumference of a circle is               .
  1. 13.5 cm
  2. 54.0 cm
  3. 27.0 cm
  4. 84.8 cm
8. 
The circle has an area of 120.8 m squared. What is the circumference of the circle?
  1. 6.2 m
  2. 39.0 m
  3. 19.5 m
  4. 46.2 m
9. 
Suppose you are constructing a circle graph. If you have a central angle that measures 120 degrees, what percent of the whole does the central angle represent?
  1. 33.3%
  2. 30%
  3. 50%
  4. 66.7%
10. 
Suppose you are constructing a circle graph. What is the angle measure of a piece that represents 40% of the total?
  1. 40 degrees
  2. 144 degrees
  3. 100 degrees
  4. 360 degrees
You need to be a HelpTeaching.com member to access free printables.
Already a member? Log in for access.    |    Go Back To Previous Page