r2=A/3.14

Solution for r2=A/3.14 equation:

r2=/3.14

We move all terms to the left:

r2-(/3.14)=0

We add all the numbers together, and all the variables

r2-(+/3.14)=0

We add all the numbers together, and all the variables

r^2-(+/3.14)=0

We get rid of parentheses

r^2-/3.14=0

We multiply all the terms by the denominator


r^2*3.14-=0

We add all the numbers together, and all the variables

r^2*3.14=0

Wy multiply elements

3.14r^2=0

a = 3.14; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·3.14·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$r=\frac{-b}{2a}=\frac{0}{6.28}=0$