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### Geometry6.19 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 5:6. The radius is 25cm. Find its total surface area.58922.57 c. cm.58924.57 c. cm.58926.57 c. cm.58928.57 c. cm. Q 2: 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 3: The ratio of the radius and height of a cylinder is 3:4. The radius is 21cm. Find its total surface area.38804 c. cm.38808 c. cm.38802 c. cm.38806 c. cm. Q 4: The ratio of the radius and height of a cylinder is 4:3. The radius is 16cm. Find its total surface area.9656.86 c. cm.9654.86 c. cm.9658.86 c. cm.9652.86 c. cm. Q 5: The ratio of the radius and height of a cylinder is 5:2. The radius is 35cm. Find its total surface area.53700 c. cm.53900 c. cm.53500 c. cm.53100 c. cm. Q 6: The ratio of the radius and height of a cylinder is 4:5. The radius is 20cm. Find its total surface area.31422.57 c. cm.31426.57 c. cm.31424.57 c. cm.31428.57 c. cm. Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!

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