SOLUTION: Make R the subject of the formula A={{{pi ("R-r"/2)^(2) }}} The second two is a power

Question 824972: Make R the subject of the formula
A=
The second two is a power
Found 2 solutions by jim_thompson5910, josmiceli:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

Divide both sides by

Take the square root of both sides

Multiply both sides by

Add to both sides

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