Question

ts weight if the wood weighs
nhuch
Uwden pol
F225 ks per mi?
of side 14 cm. Find the volume of the cylinder and the volume
A vlinder of maximum volume is cut from a wooden cuboid of length 30 cm and
square
TOSS SECUoni a
of the wood wasted.
solid is the sum of the areas of its all
SURFACE AREA OF CUBE, CUBOID AND CYLINDER
es We will find the surface area of cube, cuboid and
the surface area of a
inder
cace area of a cuboid
angular faces. Let us find the surface of a cuboid
e area of a cuboid is the sum of the areas of all its
an activity.
ctivity 14
face area of a cuboid.
uired
ectangular box of cardboard
Roi​

Answer 1

Cylinder

′

sVolume,

radius=7cm

H=30

Volume=

7

22

×7×7×30

=4620cm

3

Volumeofcuboid=14×14×30=5880

Remaining volume of wood

5880−4620=1260cm

3