Question:

# How do you find the radius of a circle if the area is 200.96 cm?

## The area of a circle is defined as A = (pi)*(radius)^2. So solving for radius you find that the radius = square root of (area/pi) so in this case radius = square root of (200.96/3.14) = 2.7cm

### Semantic Tags:

Square root Earth radius Liu Hui's π algorithm Circle Curves Radius Area Environment Geometry Mathematics Pi

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