Answer:
Area of shaded region is 18π square unit
Step-by-step explanation:
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Answer:
18π cm²
Step-by-step explanation:
The shaded region is calculated as
A = area of circle × fraction of circle
= πr² × [tex]\frac{80}{360}[/tex] ( r is the radius of the circle )
= π × 9² × [tex]\frac{2}{9}[/tex]
= 81π × [tex]\frac{2}{9}[/tex]
= 9π × 2
= 18π cm²
