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### High School Mathematics4.59 Volume of the Cylinder - I

 Example: The ratio of the radius and height of a cylinder is 5:3. The radius is 25m. Find its volume. Solution: Given that r = 25cm. Height (h) = 3/5 * 15 = 15cm. Volume of the cylinder = pi * r2 * h. = 22/7 * 25 * 25 15 = 29464.2857 C. cm. = 29464.29 c. cm. (Converted into two decimal places) Directions: Solve the following problems. Also write at least 5 examples of your own.
 Q 1: The ratio of the radius and height of a cylinder is 4:3. The radius is 24cm. Find its total surface area.32587.14 c. cm.32583.14 c. cm.32589.14 c. cm.32585.14 c. cm. Q 2: The ratio of the radius and height of a cylinder is 7:5. The radius is 21cm. Find its total surface area.20796 c. cm.20794 c. cm.20792 c. cm.20790 c. cm. Q 3: The ratio of the radius and height of a cylinder is 4:5. The radius is 20cm. Find its total surface area.31424.57 c. cm.31428.57 c. cm.31422.57 c. cm.31426.57 c. cm. Q 4: The ratio of the radius and height of a cylinder is 7:5. The radius is 35cm. Find its total surface area.96254 c. cm.96250 c. cm.96252 c. cm.96256 c. cm. Q 5: The ratio of the radius and height of a cylinder is 5:6. The radius is 25cm. Find its total surface area.58928.57 c. cm.58926.57 c. cm.58924.57 c. cm.58922.57 c. cm. Q 6: The ratio of the radius and height of a cylinder is 4:3. The radius is 16cm. Find its total surface area.9652.86 c. cm.9656.86 c. cm.9654.86 c. cm.9658.86 c. cm. Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!

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