Question

7. The perimeter of rectangle is 40 cm. What
would be its dimensions if its area be the
maximum.​

Answer 1

Answer:

Plz write full question.

Answer 2

Answer:

Let l and b are the sides of rectangle. <br>

<br>

…(1) <br> If the area of rectangle is A, then <br>

<br>

[From eq. (1)] <br>

<br>

<br> For maxima/minima <br>

And

<br>

, is maximum. <br> Therefore, for maximum area, the sides of rectangle are 10 cm and 10 cm.

Step-by-step explanation:

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