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(The answer I put is the wrong answer)

(The answer I put is the wrong answer)-example-1
User Giefaan
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1 Answer

4 votes

Answer:

Explanation:

Volume = πr²h/3 = πr²9/3 = 3πr²

3πr² = 3πy² + 30πy + 75π

r² = y² + 10y + 25

r² = (y+5)²

r = y+5

User Tristan Tao
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