Answered

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nine identical small squares are put together to form a bigger square the perimeter of each small square is 20 cm find the perimeter of the big square?​

Sagot :

Walangusername38idn

Answer:

p=240cm

Step-by-step explanation:

Imagine this is the nine box where each measures 20 cm, to calculate for the side of the big square we must multiply 20 cm by 3.

20cm×3 = 60cm

Now, we have the measurement of the side of the big box.

We will use the formula p=4a to calculate for the perimeter of the big square

p=4(measure of the side)

p=4(60cm)

p=240cm