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I need help fast geometry is impossible

I need help fast geometry is impossible
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3 votes
I need help fast geometry is impossible

I need help fast geometry is impossible-example-1
User Shnick
by
7.9k points

1 Answer

4 votes

Answer:

  • D. 8

Explanation:

  • DC = AC = x is the radius

Using the Pythagorean theorem, find x:

  • (x + 9)² - x² = 15²
  • x² + 18x + 81 - x² = 225
  • 18x = 225 - 81
  • 18x = 144
  • x = 144/18
  • x = 8
User Orvi
by
7.8k points
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