5. A solid cylinder has a radius of 2 cm and a length of 7cm.
It has a density of 3.1 g/cm
what is the mass of th cylinder?
the
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Step-by-step explanation:
R=2cm
D=4cm
L=7cm
Density =3.1g/cm
Total surface area of cylinder = 2*22/7*2(7+2)
=792/7
=113.14
=3.1*113.14
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