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Serga [27]
3 years ago
10

What is x given triangleABC ~triangleDBE?

Mathematics
1 answer:
denis-greek [22]3 years ago
7 0

x = 37.5 (or) \frac{75}{2}

Solution:

Given \triangle A B C \sim \triangle D B E.

Let us take BE = x and BC = 25 + x.

To determine the value of x:

If two triangles are similar then the corresponding angles are congruent and the corresponding sides are in proportion.

$\frac{AC}{DE}=\frac{B C}{B E}

$\frac{50}{30} =\frac{25+x}{x}

Do cross multiplication, we get

50x=30(25+x)

50x=750+30x

Subtract 30x from both sides of the equation.

20 x=750

Divide by 20 on both sides of the equation, we get

x = 37.5 (or) \frac{75}{2}

Hence the value of x is 37.5 or \frac{75}{2}.

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