Mensuration chapter all Formulas class 9
Hey! Friends there are all important formula of mensuration class 9 is listed 👇 below.
Mensuration chapter all Formulas class 9 will help you a lot in solving the problem of Mensuration chapter.
Mensuration chapter all Formulas class 9 contain all legit content.
If u want to appreciate us just check our previous post
Which contains MCQ test sets of Science class 9th.
So let's gets started.
CUBOID
Total surface area of cuboid
=2(lb+bh+hl)
Where,
l=length
b=breadth
h=height
Area of 4 wall/Lateral surface area of cuboid
=2h(l+b)
Where,
l=length
b=breadth
h=height
Volume of cuboid
=lbh
Where,
l=length
b=breadth
h=height
Diagonal of cuboid
√( l2 + b2 +h2)
Where,
l=length
b=breadth
h=height
Edge of cuboid
=12a
Where,
a=side
CUBE
Total surface area of Cube
=6a2 (6*side square)
Area of 4 wall/Lateral surface area of cube
=4a2(4*side square)
Volume of cube
=a^3(side cube)
Diagonal of cube
=✓3a
Length of all edges of cube
=4(l+b+h)
Where,
l=length
b=breadth
h=height
CYLINDER
Curved surface area of cylinder
=2Ï€rh
Where,
r=radius
h=height
Total surface area of cylinder
=2Ï€r(h+r)
Where,
r=radius
h=height
Volume of cylinder
=Ï€r2h(pie* radius square *height)
Where,
r=radius
h=height
Volume of hollow cylinder
=Ï€(R^2-r^2)h
Where,
r=radius
h=height
CONE
Cone Shape
Cone Diagram with h = height and r = radius and s = slant height
r = radius
h = height
s = slant height
V = volume
L = lateral surface area
B = base surface area
A = total surface area
Ï€ = pi = 3.1415926535898
√ = square root
Volume of a cone:
V = (1/3)Ï€r2h
Slant height of a cone:
s = √(r2 + h2)
Lateral surface area of a cone:
L = Ï€rs = Ï€r√(r2 + h2)
Base surface area of a cone (a circle):
B = πr2
Total surface area of a cone:
A = L + B = Ï€rs + Ï€r2 = Ï€r(s + r) = Ï€r(r + √(r2 + h2)
Thanks for your valuable time.
You can check our more contents.
Thank U.
0 Comments