This document contains 10 questions about calculating geometric properties of cylinders, spheres, and hemispheres. The questions ask the reader to find various measurements like curved surface area, total surface area, circumference, area of bases or great circles, and volumes using values for radii, diameters, heights, and circumferences provided in each question. The document provides sample problems that involve basic mensuration calculations for common 3D shapes.

1. Mensuration
Cylinder , Sphere And
Hemisphere
By :
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Indra
Chhetri
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2. Que. No. 1
The circumference of base of a cylinder is x cm
and height is y cm. Find its curved surface area.

3. Que. No. 2
The diameter of base of a cylinder is d cm and
height is h cm. Find its curved surface area.

4. Que.
No. 3
The circumference of base of a cylinder
is C cm and the sum of radius and
height is S cm. Find its total surface
area.

5. Que. No. 4
The area of base of cylinder is A sq.cm and the
height is h cm. Find its volume.

6. Que.
No. 5
• A half cylinder has radius r unit and
height h unit. Find the following:
A) Circumference of base.
B) curved surface area
C) total surface area.
D) volume.

7. Que.
No. 6
• A sphere has diameter x unit. Find the
following:
I) circumference of great circle.
Ii) area of great circle.
Iii) surface area of sphere.
IV) volume of sphere.

8. Que.
No. 7 A hemisphere has radius x
cm. Find the following:
• Circumference of great circle.
• Area of great circle.
• Curved surface area.
• Volume
• Total surface area.

9. Que. No. 8
The area of great circle of sphere is a sq.cm.
What is the surface area of sphere.

10. Que. No. 9
The area of great circle of hemisphere is y sq.cm.
What is the total surface area.

11. Que. No. 10
The area of great circle of a hemisphere is A
sq.cm. What is the curved surface area.

12. Thank You