A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.
-A = $\pi$ r²; r = 8, $\pi$ = 3.14

Question

A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.
-A =

\pi

r²; r = 8,

\pi

= 3.14

Quizplus · Accepted Answer

The formula given is A = πr², which simplifies to A = πr since all other operations cancel out (² simplifies to 1). Substituting the given values, A = 3.14 * 8 = 25.12. However, the correct calculation should be A = 3.14 * 8^2 = 3.14 * 64 = 200.96, because the correct interpretation of the formula involves squaring r (r^2), which was mistakenly overlooked in the simplification provided.

A Formula Is Given Along with the Values of All π\piπ

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