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jekas [21]
3 years ago
10

The area of a square is 81m square.what is the perimeter of the square?how do you know

Mathematics
1 answer:
GuDViN [60]3 years ago
3 0

Answer:

36m

Step-by-step explanation:

If the area of a square is 81 m

A=81m

but we know that A=l² so l=radA

l=9m

p=4l

finally p=4•9=36m

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