At what angle girl looking up if standing at tip of shadow
The 30-ft tree casts the 16-foot shadow on horizontal ground. Girl standing at the tip of shadow is looking at the bird nesting at top of tree. At what angle is girl looking up?
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Write any program or method to create the text document on TI-89 that expresses formula like when you enter it into calculator: A=P(1+(r/n))^nt.
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