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9.5 and 9.6 Practice

Last updated over 4 years ago
16 questions
Happy last math assignment of this week! Solve for the circumference, radius or diameter of the following problems. Read CAREFULLY to know how to write your answers (in terms of pi or as a rounded decimal). Don't forget your units!
1

Solve for the circumference of this circle and write your answer in terms of pi.

1

Solve for the radius of this circle.

1

Round your answer to the nearest hundredth.

1

Answer in terms of pi.

1

Move the radius into the "Radius" section and the diameter into the "Diameter" section. Move the remaining options into the "False Answers" section.

  • 42.02 cm
  • 84.04 cm
  • 414.69 cm
  • 6.48 cm
  • 21.01 cm
  • Radius
  • Diameter
  • False Answers
1

A dinner plate fits snugly in a square box with perimeter 48 inches. What is the circumference of the plate?

Round your answer to the nearest hundredth and show your thinking in the "Show your Work" section. Draw a picture of the situation if you get stuck!

Solve for the arc length, diameter, or radius of the following problems. Read CAREFULLY to know how to write your answers (in terms of pi, as a rounded decimal, or as an improper fraction).
1

Answer in terms of pi.

1

Round your answer to the nearest hundredth.

1

1

Round your answer to the nearest hundredth.

1

Write your answer as an improper fraction.
EX:

1

Write your answer as an improper fraction.
EX:

1

1

Answer in terms of pi.

1

Draw it out to help you if you need it.

1

OPTIONAL CHALLENGE:
Four saucers are part of the same set as the dinner plate in Exercise 6. Each saucer has a circumference of 15.7 inches. Will they fit, side by side, in the same 12 in x 12in square box? If so, how many inches will there be between the saucers for padding?

Show your thinking in the "Show your Work" section. Draw a picture of the situation if you get stuck!
HINT: Use 3.14 for pi here as you solve.