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Mathematics 21 Online
OpenStudy (anonymous):

Geometry question help please! Question in attachment

OpenStudy (anonymous):

OpenStudy (anonymous):

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OpenStudy (anonymous):

this question about special triangles

OpenStudy (anonymous):

yes, AC is the geometric mean of AD and AB \(AC = \sqrt{AD \times DB}\)

OpenStudy (anonymous):

plugin values for AD and DB

OpenStudy (anonymous):

so it's 3?

OpenStudy (anonymous):

wait no

OpenStudy (anonymous):

sorry, here is the correct equation :- \(AC = \sqrt{AD \times AB}\)

OpenStudy (anonymous):

so the choice is 1?

OpenStudy (anonymous):

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