Calculate the volume of a cylindrical steel bar which 8cm long and 3.5 in diameter.
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Answer:
volume of cylindrical steel bar = πr²h
putting the value
diameter = 3.5 cm
radius = d/2
radius = 3.5 /2
as the value of π is 22/7
VOLUME OF CYLINDER
= 22/7 × ( 3.5/2 )² × 8
= 22/7 × 12.25/4 × 8
= 77 cm³
Answer = 77 cm³
hope it helps ☺️
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