Calculate radius and diameter — task. Mathematics State Board, Class 7.

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Area of the circular region is 138600

{cm}^{2}

. Then calculate the radius and diameter. [use

π

=22/7]

Radius \(=\)

\(cm\)

Diameter \(=\)

\(cm\)

Answer variants:

234

210

420

195

468

390

Did you find an error?

1. Calculate radius and diameter