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Mathematics 13 Online
OpenStudy (anonymous):

A tree casts a 20-foot shadow. Brian is 6 feet tall and casts a 4-foot shadow. How tall is the tree? A.20 ft B.24 ft C.30 ft D.13 ft

OpenStudy (gamer56):

What do you think it is first?

jimthompson5910 (jim_thompson5910):

|dw:1415674087235:dw|

jimthompson5910 (jim_thompson5910):

you have these 2 similar triangles |dw:1415674155017:dw|

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