Home
Class 9
MATHS
Find the volume of wood required for a c...

Find the volume of wood required for a closed wooden box with external dimensions `15cm xx 12cmxx8cm`, if the wood is `0.5 cm` thick.

Text Solution

Verified by Experts

Here, extrnal dimensions are
`l=15-2xx0.5=14 cm`
`b=12-2xx0.5=11 cm`
`h=8-2xx0.5=7cm`
Now, volume of wood used
= extranal volume - internal volume
`=L xx B xx H-l xx b xx h`
`=15xx12xx8-14xx11xx7`
= 1440 - 1078
`= 362 cm^(3)`
Promotional Banner

Topper's Solved these Questions

  • SURFACE AREA AND VOLUME

    NAGEEN PRAKASHAN|Exercise Problems From NCERT/exemplar|24 Videos

  • SURFACE AREA AND VOLUME

    NAGEEN PRAKASHAN|Exercise Exercise 13a|30 Videos

  • STATISTICS

    NAGEEN PRAKASHAN|Exercise Revision Exercise|10 Videos

  • TRIANGLES

    NAGEEN PRAKASHAN|Exercise Revision Exercise (long Answer Type Question)|8 Videos

Similar Questions

Explore conceptually related problems

Find the volume of iron required to make an open box whose external dimensions are 36cmxx25cmxx16.5cm , the box beign 1.5 cm thick throughout. If 1 cm^(3) of iron weighs 8.5 grams, find the weight of the empty box in kilograms.

Find the volume of wood used to make a closed box of outer dimensionis 60 cm xx 45 cm xx32cm , the thickness of wook beign 2.5 cm all around.

Find the volume of wood used to make a closed rectangular box of outer dimensions 60 cm xx 45 cm xx 32 cm , the thickness of wood being 2.5 cm all around. Also find the capacity of the box.

Find the number of bricks required to construct a wall of dimensions 3 m xx 1.5 m xx 0.4 m , if the dimension of a brick is 30 cm xx 15 cm xx 8 cm .

How many cubic cm of iron is required to construct open box whose external dimensions are 36cm25cm and 16.5cm provided the thickness of the iron is 1.5cm provided the of iron weights 7.5gm then find the weight of the box.

How many cubic centimetres of iron are there in an open box whose external dimensions are 36cm,25cm and 16.5cm ,the iron being 1.5cm thick throughout? If 1 cubic cm of iron weighs 15g, find the weight of the empty box in kg.

In a box whose dimensions are 12cm xx 4cm xx 3cm , how long stick can be placed ?

Find the area of the cardboard required to make a closed box of length 25cm, 0.5m and height 15cm.

What is the volume of a cuboid if the dimensions are 20 cm xx 15cm xx 3.5 cm ?

A wooden block of dimensions 10cmxx20cmxx50cm weighs 6-5 kg Calculate the density of the block.