Find how much wood was used in making a cubical chalk box of side 15.8cm and thickness 3cm
Answers
Answered by
16
Given that:
Cubical with sides 15.8 cm
Thickness = 3 cm
Solutions:
External volume = 15.8 cm x 15.8 cm x 15.8 cm
= 3944.312 cm³
Internal Volume = (15.8 - 3) cm x (15.8 - 3) cm x (15.8 - 3) cm
= 2097.152 cm³
Wood needed = 3944.312 cm³ - 2097.152 cm³
= 1847.16 cm³
1847.16 cm³ of wood is needed to make that cubical chalk box.
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4
Answer:
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