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weeeeeb [17]
2 years ago
13

In the diagram ABC ~ ADE, Find x

Mathematics
1 answer:
lara [203]2 years ago
3 0

Step-by-step explanation:

x = BD

\frac{ab}{ad}  =  \frac{bc}{de} \\  \frac{10}{10 + bd}   =  \frac{12}{21}  \\ 12 \times (10 + bd) = 21 \times 10 \\ 120 + 12bd = 210 \\ 12bd = 210 - 120 \\ 12bd = 90 \\ bd =  \frac{90}{12} \\ bd = 7.5 \\

<h3>#CMIIW</h3>

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Answer:

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Step-by-step explanation:

Given [Missing details]

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