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Mathematics 8 Online
OpenStudy (sagewilson):

Not sure how to do this

OpenStudy (sagewilson):

Directrix (directrix):

The two triangles are similar. Lengths of corresponding sides of similar triangles are in proportion. 6 is to h as 10 is to 220 6/h = 10/220 6/h = 1/22 h = 132 -----> height of the building is 132 m. @SageWilson If the height of the building is 132 and the shadow of the building is 220, what is the ratio of 132 to 220? Think of it as 132/220. You'll need to reduce the fraction. |dw:1417925596518:dw|

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