levin69
28.01.2020 •
Mathematics
Asquare has a perimiter of 36 millimeters, what is the area of the square?
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Ответ:
1) we find out the length of the side
36 mm=4(side)
side=36 mm/4
side=9 mm
2) we calculate the ares of this square:
area of a square=side²
In this case:
area=(9 mm)²=81 mm².
the area of this square is 81 mm².
Ответ:
Using the formulasA=a^2P=4 a
Solving for AA=1/16 P^2=1/16·36^2=81
Ответ:
31/4 is the correct answer