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Vlad [161]
3 years ago
6

Find the missing length indicated.​

Mathematics
1 answer:
kogti [31]3 years ago
3 0

Answer:

Step-by-step explanation:

x is the geometric mean because it is a part of both the small triangle on the left (with base 81) and the whole triangle (with base 225). Setting up the geometric means formula:

\frac{81}{x}=\frac{x}{225} and cross multiply to get

x^2 =18225 so

x = \sqrt{18225} and

x = 135

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