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Please help asap 23 pts

Please help asap 23 pts-example-1
User Findusl
by
6.5k points

2 Answers

1 vote
It’s A because r is on the right so you switch the sides so it is on the left side of the equation. Basically you’re dividing S by 2pih
User Vadakkumpadath
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6.8k points
3 votes

Solve for r by simplifying both sides of the equation, then isolating the variable.

Your answer is A.

User Samus
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6.6k points
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