Formulas To Find The C. S. A. , T. S. A and Volume Of Cube, Cuboid, Cone, Cylinder, Sphere And Hemisphere.
Answers
•
Cuboid whose length = l, breadth = b and height = h
(a) Volume of cuboid = lbh
(b) Total surface area of cuboid = 2 ( lb + bh + hl )
(c) Lateral surface area of cuboid = 2 h (l + b)
(d) Diagonal of cuboid =
222
lbh
+ +
•
Cube whose edge = a
(a) Volume of cube = a3
(b) Lateral Surface area = 4a2
(c) Total surface area of cube = 6a2
(d) Diagonal of cube = a 3
•
Cylinder whose radius = r, height = h
(a) Volume of cylinder = πr2h
(b) Curved surface area of cylinder = 2πrh
(c) Total surface area of cylinder = 2πr (r + h)
•
Cone having height = h, radius = r and slant height = l
(a) Volume of cone =
1
2
3
πr h
(b) Curved surface area of cone = πrl(c) Total surface area of cone = πr (l + r)
(d) Slant height of cone (l) = 2 2 h r
+
•
Sphere whose radius = r
(a) Volume of sphere =
4
3
3
πr
(b) Surface area of sphere = 4πr2
•
Hemisphere whose radius = r
(a) Volume of hemisphere =
2
3
3
πr
(b) Curved surface area of hemisphere = 2πr2
(c) Total surface area of hemisphere = 3πr