Three times a certain number, n, is 21
1 answer:
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Answer: A = 5
The Wise Orange found an image that may be helpful:
The Wise Orange found an image that may be helpful:
Answer:
10.26 in²
Step-by-step explanation:
The area (A) of the sector is
A = area of circle × fraction of circle
= πr² ×
= π × 2.8² × ≈ 10.26 in²