The volume

The volume of a solid cylinder is 260 cm3. The cylinder is melted down into a cuboid whose base is a square of 5cm. Calculate the height of the cuboid and the surface area of the cuboid.

Correct answer:

h =  10.4 cm
S =  258 cm2

Step-by-step explanation:

V=260 cm3 a=5 cm S1=a2=52=25 cm2 h=V/S1=260/25=10.4 cm
S=2 S1+4 a h=2 25+4 5 10.4=258 cm2

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