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\( V = rac{1}{3} imes 3.14 imes 5^2 imes 12 \)
\( V = rac{1}{3} imes 3.14 imes 25 imes 12 \)
\( V = rac{1}{3} imes 3.14 imes 300 \)
\( V = 3.14 imes 100 \)
\( V = 314 \) cm³
The volume of the cone is 314 cm³.
#### 314
Question**: Solve the quadratic equation \( 2x^2 - 5x - 3 = 0 \) using the quadratic formula.
The quadratic formula is \( x = rac{-b \pm \sqrt{b^2 - 4ac}}{2a} \).
Here, \( a = 2 \), \( b = -5 \), \( c = -3 \).