anonymous
  • anonymous
A tree casts a shadow 10 ft long. A boy standing next to the tree casts a shadow 2.5 ft long. The triangle shown for the tree and its shadow is similar to the triangle shown for the boy and his shadow. If the boy is 5 ft tall, how tall is the tree?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
|dw:1370437552793:dw|
anonymous
  • anonymous
when they say the triangles are similar that means their angles are the same, so we know their sides are proportionally related.
anonymous
  • anonymous
\[\frac{ \text{Boy's Height} }{ \text{Boy's Shadow} }=\frac{ \text{Tree's Height} }{ \text{Tree's Shadow} }\]Plug in the corresponding numbers and solve for the unknown variable

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anonymous
  • anonymous
my brain is so fried right now, i just need the answer plz... not to be mean or anything.

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