3 years ago

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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