A cylindrical tube opened at both ends is made of iron sheet which is 2 cm thick. If the outer diameter 16 cm and its length is 1 m, find how many cubic centimetres of iron has been used in making the tube
Answers
Answered by
26
Outer radius R=16/2=8cm.
Thickness W=2cm.
Inner radius r=8-2=6cm.
Height h=100 cm.
Volume of material used=πh(R^2-r^2)
22/7×100×(64-36)
22×100×4
=8800 cu.cm.
Thickness W=2cm.
Inner radius r=8-2=6cm.
Height h=100 cm.
Volume of material used=πh(R^2-r^2)
22/7×100×(64-36)
22×100×4
=8800 cu.cm.
Answered by
0
there is a coal mine and from there iron rod they took and beat one guy
weight of the guy = 75 kg
weight of the rod = ∞kg
so one beat = 1 universe blast
please mark me as *brainliest*
Similar questions