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What is the value of x?
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What is the value of x?

What is the value of x?-example-1
User Jordan Allan
by
6.9k points

1 Answer

6 votes

Answer:

x = +5

Explanation:

The triangles ADB and BDC are similar. Thus it is possible to write an equation of ratios and solve it for x:

x 10

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

10 4x

Cross-multipying, we get:

4x^2 = 100, which yields x = +5

User Cambiata
by
7.3k points
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