Substituting the values, \( V = \pi (3)^2 (5) = 45\pi \) cubic meters.
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- #### \( x = \frac{11}{7}, y = \frac{9}{7} \)Certainly! Here are 10 more challenging questions along with their solutions:
- A cylindrical tank with a radius of 3 meters and a height of 5 meters is filled with water. If water is drained at a rate of 2 cubic meters per hour, how many hours will it take to completely empty the tank?
- The volume \( V \) of a cylinder is given by the formula \( V = \pi r^2 h \).
- At a drainage rate of 2 cubic meters per hour, the time \( t \) required is \( t = \frac{45\pi}{2} \approx \frac{141.37}{2} = 70.685 \) hours.
- #### 70.685
- The sum of the interior angles of a polygon is 1440 degrees. How many sides does the polygon have?
