423. Solve the formula C = d
for π.

Hi student, let me help you out! :)
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We are asked to solve the formula [tex]\mathtt{C=\pi d}[/tex] for [tex]\mathtt{\pi}[/tex].
[tex]\triangle~\fbox{\bf{KEY:}}[/tex]
To achieve our goal, we should divide both sides by d:
[tex]\mathtt{\cfrac{C}{d}=\cfrac{\pi d}{d}}[/tex]
On the right, the d's cancel, and guess what happens? Pi is all by itself, on the right side of the equation!
So this is the formula:
[tex]{\boxed{\mathtt{\pi =\cfrac{C}{d}}}[/tex]
Hope it helps you out! :)
Ask in comments if any queries arise.
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