Area of a circle - Mathematics knowledge point

Core concepts

Formulas

= \pi

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Substitute numbers

r

=2 $\text{cm}$

\begin{aligned}3.14 \times 2 \times 2 &= 12.56\ \text{cm}^2\end{aligned}

Derivation

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Solution

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Quantities in the formula

=

\pi

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Answer

!

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Exercises

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Common misconceptions

Prerequisites

Circumference8 min

Practice set

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