The sum of a number and 7 decreased by 5
1 answer:
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Answer:
99.0 in²
Step-by-step explanation:
The area (A) of the sector of the circle is calculated as
A = area of circle × fraction of circle
= πr² × ( where r is the radius )
Here r = 9, thus
A = π × 9² ×
= 81π × ≈ 99.0 in²
