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patdisawsome
27.02.2021 •
Mathematics
PLEASE HELP I WILL PUT BRAINLIEST
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Ответ:
18π cm²
Step-by-step explanation:
The shaded region is calculated as
A = area of circle × fraction of circle
= πr² ×
( r is the radius of the circle )
= π × 9² ×![\frac{2}{9}](/tpl/images/2184/4638/746ea.png)
= 81π ×![\frac{2}{9}](/tpl/images/2184/4638/746ea.png)
= 9π × 2
= 18π cm²
Ответ: