<meta http-equiv="refresh" content="1; url=/nojavascript/">

# Radius or Diameter of a Circle Given Area

## r = sqrt(A/π); d = 2sqrt(A/π)

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Radius or Diameter of a Circle Given Area

by CK-12 //at grade

Learn to find the radius or diameter of a circle when you have been given the area.

0

## Radius or Diameter of a Circle Given Area

by CK-12 //at grade

Learn to find the radius or diameter of a circle when you know the area.

0

## Radius or Diameter of a Circle Given Area

by Christopher King //at grade

Find the radius or diameter of a circle given the area of the circle

0
• PLIX

## Radius or Diameter of a Circle Given Area: Snowman

by CK-12 //at grade

Radius or Diameter of a Circle Given Area Interactive

0
• Practice
0%

## Radius or Diameter of a Circle Given Area Practice

by CK-12 //at grade
0
• Pre and Post Read

## Radisu or Diameter of a Circle Given Area KWL Chart

by CK-12 //at grade

With this KWL Chart, reflect on your prior knowledge of a concept, come up with questions you’re curious about, and come up with answers from the reading.

0

## Find Radius or Diameter Given Area Post Read

by CK-12 //at grade

Develop understanding of concepts by studying them in a relational manner. Analyze and refine the concept by summarizing the main idea, creating visual aids, and generating questions and comments using a Four Square Concept Matrix.

0
• Real World Application

## Circles in the Cereal

by CK-12 //at grade

Discover the truth about crop circles.

0