A wooden plug has a square with sides of 3 cm each and a thickness of 1 cm. A cylindrical stump of 1 cm diameter is attached to it. If the total volume of the wooden plug is 12.96 cm^3 find the total height of the wooden plug.
(take pi = 3.142)

Question

A wooden plug has a square with sides of 3 cm each and a thickness of 1 cm. A cylindrical stump of 1 cm diameter is attached to it. If the total volume of the wooden plug is 12.96 cm^3 find the total height of the wooden plug. 
(take pi = 3.142)

directrix · Answer

Is there an accompanying diagram?

anonymous · Answer

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directrix · Answer

Plug Volume = volume of rectangular solid + volume cylinder
12.96 = 3*3*1 + pi * r^2 * h 
12.96 = 9 + 3.142 *1^2*h
3.96 = 3.142 h
h = 3.96/3.142
h = 1.260 cm

radar · Answer

Would you now add the height of the square portion (i cm) to your calculated height to obtain the total height?

radar · Answer

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