Make A the subject formula of A=2πr(h+r)
To make A the subject formula, we need to isolate A on one side of the equation and express it in terms of the variables given.
Starting with the given formula:
A = 2πr(h + r)
First, expand the brackets:
A = 2πrh + 2πr^2
Next, subtract 2πr^2 from both sides:
A - 2πr^2 = 2πrh
Finally, divide both sides by 2πr to isolate A:
A/2πr - r = h
Rearranging the terms:
A/2πr = h + r
Multiplying both sides by 2πr:
A = 2πr(h + r)
Therefore, the equation with A as the subject formula is:
A = 2πr(h + r)