Intermediate Test Prep Math 8 (Grade 7) Calculating the Radius or Diameter of a Circle

Calculating the Radius or Diameter of a Circle - Practice
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Let's practice finding the radius or diameter of a circle when we are given the Area or Circumference.

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1. Find the diameter of a circle if the circumference is 23.56 mm. Round to the nearest tenth.		Why?
2. Find the diameter of a circle if the area is 32.17 sq in. Round to the nearest tenth.		Why?
3. Find the radius of a circle if the circumference is 44.61 m. Round to the nearest tenth.		Why?
4. Find the radius of a circle if the area is 366.44 cm². Round to the nearest tenth.		Why?
5. Find the diameter of a circle if the area is 153.94 sq ft. Round to the nearest whole number.		Why?

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Topic Index | Grade 7 Math | Intermediate Test Prep | StudyZone