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Serga [27]
3 years ago
14

What is the value of X in the figure below? In this diagram.

Mathematics
1 answer:
kipiarov [429]3 years ago
3 0
<h3>Answer:  E.  45/4</h3>

===========================================

Work Shown:

Because we have similar triangles, we can form the proportion below to isolate x.

(AC)/(BC) = (CD)/(AC)

(15)/(20) = (x)/(15)

15*15 = 20x .... cross multiply

225 = 20x

20x = 225

x = 225/20

x = (5*45)/(5*4)

x = 45/4

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