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Worksheetssurface areas and volumes
Total questions: 10
Worksheet time: 20mins
The surface area of a cube whose edge equals to 3cm is:
62 sq.cm
30 sq.cm
54 sq.cm
90 sq.cm
The surface area of cuboid-shaped box having length=80 cm, breadth=40cm and height=20cm is:
11200 sq.cm
13000 sq.cm
13400 sq.cm
12000 sq.cm
The surface area of a sphere of radius 14 cm is:
1386 sq.cm
1400 sq.cm
2464 sq.cm
2000 sq.cm
The curved surface area of a right circular cylinder of height 14 cm is 88 cm2. Find the Volume of the cylinder. Assume π=22/7
144 cm3
180 cm3
176 cm3
None of the above
Formula for curved surface area of cone is
2πr
2πh
πrl
πrh
slant height, l=
r+h
r2+h2
r+h
r2+h2
A conical tent is 10 m high and the radius of its base is 24 m. its slant height is
23 m
25 m
26 m
27 m
Total surface area of a hemisphere of radius 10 cm is. (use π = 3.14)
842 sqcm
942 sqcm
742 sqcm
642 sqcm
A metallic solid sphere of radius 9 cm is melted to form a solid cylinder of radius 9 cm. The height of the cylinder is
96 cm
36 cm
18 cm
12 cm
