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Andrew Martinez · Answer 1 · 2018-06-10T19:21:48+0000

so... hmmm if you check the first picture below, for 2)

we could use the proportions of those small, medium and large similar triangles like
$\bf \cfrac{small}{large}\qquad \cfrac{x}{12}=\cfrac{6}{x}\impliedby \textit{solve for$

now.. for 3) will be the second picture below

$\bf \cfrac{large}{medium}\qquad \cfrac{x+10}{2√(30)}=\cfrac{2√(30)}{10}\impliedby \textit{solve for$

How to find variables of these #2 & #3-example-1

How to find variables of these #2 & #3-example-2

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