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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Geometry
6.19 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 4:5. The radius is 20cm. Find its total surface area.
31428.57 c. cm.
31422.57 c. cm.
31426.57 c. cm.
31424.57 c. cm.

Q 2: 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.
9652.86 c. cm.
9658.86 c. cm.
9654.86 c. cm.

Q 3: The ratio of the radius and height of a cylinder is 5:6. The radius is 25cm. Find its total surface area.
58924.57 c. cm.
58926.57 c. cm.
58928.57 c. cm.
58922.57 c. cm.

Q 4: The ratio of the radius and height of a cylinder is 5:2. The radius is 35cm. Find its total surface area.
53900 c. cm.
53100 c. cm.
53500 c. cm.
53700 c. cm.

Q 5: 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.
96256 c. cm.
96252 c. cm.

Q 6: The ratio of the radius and height of a cylinder is 3:4. The radius is 21cm. Find its total surface area.
38808 c. cm.
38802 c. cm.
38806 c. cm.
38804 c. cm.

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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