find the area of shaded region
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area of bigger sector
= ∅/360°xπr²
= 60°/360°xπ(7)²
= 49π/6
area of smaller sector
= ∅/360°xπr²
= 60°/360°xπ(4)²
= 16π/6
area of shaded area
= area of bigger section-area of smaller section
= 49π/6 - 16π/6
= 33π/6
= 11π/2
= 5.5π
Therefore, the area of the shaded region is 5.5π cm².
= ∅/360°xπr²
= 60°/360°xπ(7)²
= 49π/6
area of smaller sector
= ∅/360°xπr²
= 60°/360°xπ(4)²
= 16π/6
area of shaded area
= area of bigger section-area of smaller section
= 49π/6 - 16π/6
= 33π/6
= 11π/2
= 5.5π
Therefore, the area of the shaded region is 5.5π cm².
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