The area of car parking, lawn, swimming pool and park is the same. The area of the remaining

portion is ____ sq. m.

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Detailed Solution

Concept: The area of remaining portion would be sq. cm. This question requires the knowledge of the area of a rectangle. The area of a rectangle is equal to ‘A=lb’, where l is its length and b is its breadth.
To find out the area of the remaining portion, we need to subtract the total area that is covered by car parking, lawn, swimming pool and park from the area of the complete field.
Have a look at the bigger field,
Given,

b = 50 m

l = 30 + 10 + 30 = 70 m

Therefore, the total area of field

{(A}_{1})

is-

A_{1} = 70 \times 50

A_{1} = 3500 m^{2}

Now, in the question it is given that the area of all of the four- car parking, lawn, swimming pool and park is same.
Given, their length = 30m and breath is = 20m.
Therefore, their individual area