Question

Make A the subject of the formula r=√А/3​

Answer 1

Answer:a = 9 r^2

Explanation:

We need to make a subject of the formula given r = square root a / 3

Given r = √a / 3 -------------1

Now we can find a.

Squaring the given equation 1 we get

So r^2 = (√a / 3)^2

So r^2 = a / 9