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VOLUME OF DIFFERENT 3D SHAPES :smiley: (1) Volume of a rectangular prism,…
VOLUME
OF DIFFERENT 3D SHAPES :smiley:
1) Volume of a
rectangular prism
Volume of a
sphere
Formula
: v= length x width x height
2) Volume of a
cone
Formula
: v= 1/3 π r2 h
Example
: r= 1 h= 6
v= 1/3 π r2 h
v= 1/3 (1)2 (6)π
v= 1/3
1
6
v= 1/3 x 6 x π
v= 2π
Example
: L= 4 W= 2 H= 8
V= L x W x H v= 4 x 2 x 8 v= 64
Example
: r= 6 h= 5
v= π (6)2 (5) v= π (36) (5) v= 180π
Example
: r= 4
v= 4/3 π r3
v= 4/3 π (4)3
v= 4/3 x 64 π
v= 85.333...
Formula
: v= 4/3 π r3
Volume of a
cylinder
Formula
: v= π r2 h
Lana Al Saadi 8/A :<3:
