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dimaraw [331]
2 years ago
7

ANSWER PLS! Dont just respond for the points pls

Mathematics
2 answers:
NARA [144]2 years ago
7 0

Answer:

18

Step-by-step explanation:

<u>Intersecting Secant-Tangent Theorem</u>

The square of the tangent is equal to the product of the external secant segment and the secant.

Given:

  • tangent = AE = 12
  • external secant segment = EC = 8
  • secant = ED = 18 + x

AE² = EC · ED

⇒ 12² = 8(18 + x)

⇒ 144 = 144 + 8x

⇒ 0 = 8x

⇒ x = 0

ED = 18 + x

     = 18 + 0

     = 18

dexar [7]2 years ago
3 0
The answer to the question in the photo is 21
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