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hodyreva [135]
3 years ago
11

Find the central angle of a sector of a circle if the area of the sector and the area of the remaining part of the circle are in

the proportion 4 : 5 ( with explanation )
Mathematics
1 answer:
andre [41]3 years ago
8 0

Answer:

288

Step-by-step explanation:

360/5 = 72

72x4 = 288

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