Question

3. Find the number of bricks of dimension 20 cm 10cm required to
construct a wall of dimension som 2000m 20 cm answer the question​

Answer 1

Step-by-step explanation:

area of wall = 2000m *20 cm

=4000000 cm

area of 1 brick = 20*10

=200 cm

no. of bricks will need = 4000000/200

20000 bricks

Answer 2

${\pmb{\underline{\sf{ Required \ Solution ... }}}}$

Let the Total number of the bricks required to make a wall be x.

Firstly, We have to Find the Area of a wall then after we've to find the area of Bricks as:-

• 1m = 100 cm
• Wall Dimension = 2000m and 20cm
• Wall Dimension = 200000cm and 20 cm
• Bricks Dimension = 20cm and 10cm

~ We know that if any OBJECT has two Dimension then we can only find Area of those Objects.

So,

$\\ \circ \ {\pmb{\underline{\sf{ According \ to \ Know: }}}} \\ \\ \colon\Rightarrow{\sf{ \dfrac{2000 \cancel{00} \times 20}{2 \cancel{0} \times \cancel{10} } }} \\ \\ \colon\Rightarrow{\sf{ \dfrac{2000 \times \cancel{20} }{ \cancel{2} } }} \\ \\ \colon\Rightarrow{\sf{ 2000 \times 10 }} \\ \\ \colon\Rightarrow{\underline{\boxed{\sf{ 20000_{(Bricks)} }}}}$

Hence,

${\pmb{\underline{\sf\red{ The \ number \ of \ Bricks }}}} \\ {\pmb{\underline{\sf\red{ used \ to \ make \ a \ WALL \ are \ 20000. }}}}$