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Help as soon as possible, please.

Help as soon as possible, please.
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Help as soon as possible, please.

Help as soon as possible, please.-example-1
User ThisIsAQuestion
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1 Answer

8 votes

Answer:

  • 8 units

Explanation:

Let the center of the circle be point O.

Then

  • EC + EO = 13
  • EC = 13 - EO

The length of EO is the side of triangle OEB.

Use Pythagorean theorem:

  • EO² + EB² = OB²
  • EO² + 12² = 13²
  • EO² = 169 - 144
  • EO² = 25
  • EO = √25
  • EO = 5

Find the value of EC:

  • EC = 13 - 5 = 8
User Praful Argiddi
by
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