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shepuryov [24]
3 years ago
14

Solve for x Solve for x Solve for x

Mathematics
1 answer:
ANEK [815]3 years ago
6 0

9514 1404 393

Answer:

  x = 3

Step-by-step explanation:

The two right triangles share angle A, so the similarity statement can be written ...

  ΔABC ~ ΔADE

Corresponding sides are proportional, so we have ...

  BC/DE = AB/AD

  x/12 = 3/(3+9)

  x = 3 . . . . . . . . . . multiply by 12

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