Answer:
a) b = (P - 2a)/2
b) r = C/(2πr) [(pi) is used for π in the image]
Explanation:
See the attached worksheet.
The goal is to add/subtract/multiply/divide terms in the equation so that the indicated variable is isolated to the left side. The format should be:
Indicated variable (e.g., r) = Expression
The worksheet shows the specific steps taken to achieve moving the indicated variable to the left side. Whatever operation is undertaken must be done on both sides. to maintain the validity of the equation.