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3 years ago

Solve similar triangles (advanced) solve for x

Mathematics

1 answer:

dolphi86 [110]3 years ago

3 0

Answer:

x = 27/8

Step-by-step explanation:

We can write a ratio to solve

x 3

------- = ----------

x+9 11

Using cross products

x*11 = 3(x+9)

11x = 3x+27

Subtract 3x from each side

8x = 27

8x/8 = 27/8

x = 27/8

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