all surface area formulas for class 9.
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Answers
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4. Surface Area and Volume Formulas
Cuboid
Volume of Cuboid (LSA)
l
×
b
×
h
Lateral Surface Area of Cuboid (LSA)
2
h
(
l
+
b
)
Total Surface Area of Cuboid (TSA)
2
(
l
b
+
b
h
+
h
l
)
Cube
Volume of Cube
x
3
Lateral Surface Area of Cube (LSA)
4
x
2
Total Surface Area of Cube (TSA)
6
x
2
Sphere
Volume of Sphere
4
3
×
π
r
3
Lateral Surface Area of Sphere (LSA)
4
π
r
2
Total Surface Area of Sphere (TSA)
4
π
r
2
Right Circular Cylinder
Volume of Right Circular Cylinder
π
r
2
h
Lateral Surface Area of Right Circular Cylinder (LSA)
2
×
(
π
r
h
)
Total Surface Area of Right Circular Cylinder (TSA)
2
π
r
×
(
r
+
h
)
Right Pyramid
Volume of Right Pyramid
1
3
×
[
Area of
the Base
]
×
h
Lateral Surface Area of Right Pyramid (LSA)
1
2
×
p
×
L
Total Surface Area of Right Pyramid (TSA)
LSA
+
[
Area of
the Base
]
Right Circular Cone
Volume of Right Circular Cone
1
3
×
(
π
r
2
h
)
Lateral Surface Area of Right Circular Cone (LSA)
π
r
l
Total Surface Area of Right Circular Cone (TSA)
π
r
×
(
r
+
L
)
Hemisphere
Volume of Hemisphere
2
3
×
(
π
r
3
)
Lateral Surface Area of Hemisphere (LSA)
2
π
r
2
Total Surface Area of Hemisphere (TSA)
3
π
r
2
Prism
Volume of Prism
B
×
h
Lateral Surface Area of Prism (LSA)
p
×
h
Total Surface Area of Prism (TSA)
π
×
r
×
(
r
+
L
)
l
=
Length,
h
=
Height,
b
=
Breadth
r
=
Radius of Sphere
L
=
Slant Height