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Simplifying
13603.48 = 2 * 3.14r2 + 2 * 3.14r2 * 95
Multiply 2 * 3.14
13603.48 = 6.28r2 + 2 * 3.14r2 * 95
Reorder the terms for easier multiplication:
13603.48 = 6.28r2 + 2 * 3.14 * 95r2
Multiply 2 * 3.14
13603.48 = 6.28r2 + 6.28 * 95r2
Multiply 6.28 * 95
13603.48 = 6.28r2 + 596.6r2
Combine like terms: 6.28r2 + 596.6r2 = 602.88r2
13603.48 = 602.88r2
Solving
13603.48 = 602.88r2
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '-602.88r2' to each side of the equation.
13603.48 + -602.88r2 = 602.88r2 + -602.88r2
Combine like terms: 602.88r2 + -602.88r2 = 0.00
13603.48 + -602.88r2 = 0.00
Add '-13603.48' to each side of the equation.
13603.48 + -13603.48 + -602.88r2 = 0.00 + -13603.48
Combine like terms: 13603.48 + -13603.48 = 0.00
0.00 + -602.88r2 = 0.00 + -13603.48
-602.88r2 = 0.00 + -13603.48
Combine like terms: 0.00 + -13603.48 = -13603.48
-602.88r2 = -13603.48
Divide each side by '-602.88'.
r2 = 22.5641587
Simplifying
r2 = 22.5641587
Take the square root of each side:
r = {-4.750174597, 4.750174597}
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