Question

If the unit of length is tripled then the numerical value of area of square wil be

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

Let the unit of length be 1L.

Initial, value of 1L = k(say)

Then,

side of square be 'a'k units.

Area of square = ( a^2) k^2 units.

= a^2 L^2 units

Now,

Unit of length is tripled, 1L = 3k units.

=> 1k = L/3 .

Then,

Area of square is a^2 k^2 units.

=> a^2 (L/3)^2

=> a^2L^2/9 units.

There fore, Numerical value of area of square becomes 1/9 of initial in original units.

Hope it helps you...