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Mathematics 7 Online
OpenStudy (anonymous):

What is the length of AC? (Picture below.)

OpenStudy (anonymous):

OpenStudy (anonymous):

14

OpenStudy (campbell_st):

ok... the triangles are similar by Angle Angle Postulate so use the ratios of corresponding sides \[\frac{9}{81} = \frac{x}{140 - x}\] cross multiply and then solve for x... hope this makes sense

OpenStudy (anonymous):

Thank you so much @Solane12 & @campbell_st.

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