math
the external dimensions of a closed box are 8cm by 5cm by 4cm. given that the thickness of the wood of which it is made is 0.5cm, find the volume of the wood used to make it.
asked by
sabrina

So the inner dimensions, which determine the volume are:
81 or 7 cm
4 cm
and 3 cm
volume = 7x4x3 cm^3
= 84 cm^3posted by Reiny

volume=8*5*4  7*4*3
=76 CM3posted by precious okere
Respond to this Question
Similar Questions

Maths
Find the volume of wood required for making the closed box with internal dimensions of 20cm by 12.5cm by 9.5cm;wood 1.25cm thick. 
asthmatics
Find the volume of the wood required to make an open box of internal dimensions 20cm by 12.5cm by 9.5 cm.the wood being 1.5cm thick. 
maths
An open rectangular box has internal dimensions 2m long, 20cm wide and 22.5cm deep. If the box is made of wood 2.5cm thick, calculate the volume of the wood in cm cube. 
Maths
A box is made of wood 5cm thick, its internal dimension are 10cm by 8cm by 11cm, what is the volume of the wood in the box 
maths
The inner dimensions of wooden box are 2m, 1.2m, 0.75m. the thickness of wood is 2.5cm.find the cost of wood if the cost of wood of 1cubic metre is rs.5400 
math
a cubical wooden box of internal edge 1m is made of 5cm thick wood.The box is open at the top . if the wood costs Rs. 9600 per cubic metre, find the cost of the wood required to make the box? 
geometry
a closed box of uniform thickness is made of wood 1cm thick. Its extenal dimensions are 6cm and 5 cm by 4 cm. Find the a. volume of the wood used in making the box. b. the capacity of the box, given that the cover is full length 
Maths
A closed rectangular wooden box has external dimensions 17x12x10. If the wood is 1cm thick, calculate the volume of wood required to make it. (All measurements are in Cm) 
Math
Find the volume of iron required to construct an open box whose external dimensions are 36cm,25cm,and 16.5cm,provided that the thickness of the metal is 1.5cm.If1cm cube of iron weight 7.5g find the weight of the box. 
math
find the volume of iron required to make an open box whose external dimensions are 36cm×25cm×16.5cm, the box being 1.5cm thick throughout. if 1cm^3 of iron weighs 8.5g. find the weight of empty box in kilogram.