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Solve number 15 for pie

Solve number 15 for pie-example-1

1 Answer

5 votes

Explanation:

Note that π is 'pi' not 'pie'

A = 1/2 π r^2 multiply both sides of the equation by 2 :

2 A = π r^2 now divide bot sides by r^2

(2A) / r^2 = π Done.

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