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Rearrange the formula A = πab 4 for b.

asked Oct 26, 2018 223k views

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Douwe · Answer 1 · 2018-10-30T12:14:48+0000

Answer:

The required formula is
$b=(4A)/(\pi a)$ .

Explanation:

The given formula is

$A=(\pi ab)/(4)$

Multiply both sides by 4.

$A* 4=(\pi ab)/(4)* 4$

$4A=\pi ab$

Divide both sides by πa.

$(4A)/(\pi a)=(\pi ab)/(\pi a)$

$(4A)/(\pi a)=b$

Therefore required formula is
$b=(4A)/(\pi a)$ .

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