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Mathematics 10 Online
OpenStudy (the_rebel_outlaw):

find x https://hollandps.owschools.com/media/g_geo_ccss_2016/5/groe.gif

OpenStudy (caozeyuan):

the left triangle is similiar to the largest one

OpenStudy (caozeyuan):

x^2=2*8, x=4

OpenStudy (the_rebel_outlaw):

thank you so much

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