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DedPeter [7]
3 years ago
9

22) The base of a lampshade is circular. The circumference of the base is 3 times the radius increased by 4.25 inches.

Mathematics
1 answer:
BARSIC [14]3 years ago
5 0

Answer:

~1.29 inches

Step-by-step explanation:

C = 2πr

C = 3r + 4.25

2πr = 3r + 4.25

2πr - 3r = 4.25

r(2π-3) = 4.25

r = 4.25/(2π-3) ≈ 1.29

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