228Composite Mathematic16. A wooden box (including the lid) has extern

1.	228Composite Mathematic16. A wooden box (including the lid) has external diudimensions of 40.cm by 34 cm by 30.cm, f1 em thick, how many cm3 of wood are there in it17. The nuter dcm by 7 cm. Thickness of the vw
Answer» consult with the book Given: Outer length(L) = 40cm Outer breadth(B) = 34cmOuter height(H) = 30 cm Thickness= 1 cm Volume of the box= L× B×H Outer volume of the box = 40 cm × 34 cm × 30 cm Outer volume of the box = 40800 cm³ Thickness = 1 cm Inner length (l)= 40 cm -(2×1)=40-2 = 38 cmInner breadth (b)= 34 cm - (2×1)= 32 cmInner height(h) = 30 cm -(2× 1)= 28 cm Inner volume of the box = 38 cm × 32cm × 28 cm Inner volume of the box = 34048 cm³ Volume of wood =outer volume of box - Inner volume of box = 40800 -34048 = 6752 cm³ Hence, the volume of wood = 6752 cm³ thank you friend

228Composite Mathematic16. A wooden box (including the lid) has external diudimensions of 40.cm by 34 cm by 30.cm, f1 em thick, how many cm3 of wood are there in it17. The nuter dcm by 7 cm. Thickness of the vw

Answer»

consult with the book

Given:

Outer length(L) = 40cm Outer breadth(B) = 34cmOuter height(H) = 30 cm

Thickness= 1 cm

Volume of the box= L× B×H

Outer volume of the box = 40 cm × 34 cm × 30 cm

Outer volume of the box = 40800 cm³

Thickness = 1 cm

Inner length (l)= 40 cm -(2×1)=40-2 = 38 cmInner breadth (b)= 34 cm - (2×1)= 32 cmInner height(h) = 30 cm -(2× 1)= 28 cm

Inner volume of the box = 38 cm × 32cm × 28 cm

Inner volume of the box = 34048 cm³

Volume of wood =outer volume of box - Inner volume of box

= 40800 -34048 = 6752 cm³

Hence, the volume of wood = 6752 cm³

thank you friend