Question

How many trees can be planted at a distance of 8m each around a rectangular field whose length is 150m and breadth 90m ?

Answer 1

$\huge\bold\red{HOLA}$

Distance between two trees =6m

So on both of the length of park we can plant =120/6 x 2 =20x2 =40 trees

On the both of the breath of park=90/6 x2

=15x2=30

Now subtract 4 trees from the sum of (30+40)

Because we counted the corner trees in both direction.

Total trees can be plant =70-4=66

See the diagram

We we divide the length with 6 we get 20 places to plant the trees

And simillry in breath we get 15 places

But the 4 corner trees come in both direction length and breath. So we only consider the trees from 1 side

Answer 2

Distance between two trees =6m

So on both of the length of park we can plant =120/6 x 2 =20x2 =40 trees

On the both of the breath of park=90/6 x2

=15x2=30

Now subtract 4 trees from the sum of (30+40)

Because we counted the corner trees in both direction.

Total trees can be plant =70-4=66

See the diagram
We we divide the length with 6 we get 20 places to plant the trees
And simillry in breath we get 15 places

But the 4 corner trees come in both direction length and breath. So we only consider the trees from 1 side


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