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3 years ago

Solve for the brainlist

Mathematics

1 answer:

Sergio039 [100]3 years ago

3 0

Answer:

x = 10.0

Step-by-step explanation:

Using the geometric mean formula:

x projection

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

entire base x

Here, the projection is 5 and the entire base is (20 + 5). So:

x 5

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

25 x

Cross multiply:

x² = 25 (5)

x² = 100

√x² = √100

x = 10

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