kylabreanne120
25.05.2021 •
Mathematics
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Ответ:
area of the square=18×18
=324 cm²
area of the circle=πr²
=3.142×9² (radius=18cm/2=9cm). =254.502 cm²
area of the shaded region=324-254.502
=69.498 cm²
Ответ:
A would be: m/4
B would be: m/4
D would be: 4*m. (Product is multiply.)