What is the area of shaded section of the circle?
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Answer:
≈ 565.5 units²
Step-by-step explanation:
The area (A) of the shaded sector = area of circle × fraction of circle
A = πr² × [tex]\frac{162}{360}[/tex] ← r is the radius
= π × 20² × [tex]\frac{162}{360}[/tex]
= 400π × 0.45 ≈ 565.5 units²