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Solve for a! 264=π×a×(20-a) Thank you!
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3 votes
Solve for a!
264=π×a×(20-a)
Thank you!

User Akbiggs
by
8.1k points

1 Answer

6 votes

Answer:

a ≈ 14 or 6

Explanation:

264 = π × a × (20 - a)

a(20 - a) =
(264)/(Pi) ≈ 84 (rounded off to nearest whole number)

Opening the brackets we get;

a² - 20a + 84 = 0

Applying the quadratic formula we get:

a ≈ 14 or 6

User Taharqa
by
7.8k points
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