Answer:
22.2 ft²
Step-by-step explanation:
The area (A) of a sector is calculated as
A = area of circle × fraction of circle
= πr² ×
= π × 7.13² ×
= ≈ 22.2 ft² ( nearest tenth )
Find the number of possible choices for a 3-digit PIN (personal identification number) if the digits CAN be repeated.
1 answer:
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