10(3.14)r^2=785

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Solution for 10(3.14)r^2=785 equation:


Simplifying
10(3.14) * r2 = 785

Multiply 10 * 3.14
31.4r2 = 785

Solving
31.4r2 = 785

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Divide each side by '31.4'.
r2 = 25

Simplifying
r2 = 25

Take the square root of each side:
r = {-5, 5}

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