21 the square below is made up of 4 identical rectangles. the perimeter of each rectangle is 40 cm. what is the area of the square? 40-4 yory (00 10 40 40 & 00 l002 peruinet u dy tw sana a0cn per mieteretttb ar batens crb c30 t 30 t30130) fo l00 cm

The area of the square is 256 centimeter square.

Step-by-step explanation:

Given : The square is made up of 4 identical rectangles. The perimeter of each rectangle is 40 cm.

To find : What is the area of the square?

Solution :

4 identical rectangle having perimeter of 40 cm.

Let a be the length and b be the width of the rectangle,.

i.e.

....(1)

Total width of the square form is b+b+b+b=4b

In square the side length is given by a=4b

Substitute in (1),

i.e. a=4(4)=16

The length of the square is given by l=16

The area of the square is

Therefore, The area of the square is 256 centimeter square.

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step-by-step explanation: