A boy lying flat on level ground sees a bird on a tree and the angle of Elevation from the boy to the birth is 42°,if the boy is 6m from the tree.find the hieght of the tree if the bird is at the top of the tree


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Question Number 42698 by Rio Michael last updated on 31/Aug/18

$A b o y l y i n g f l a t o n l e v e l g r o u n d s e e s a b i r d o n a t r e e a n d t h e$ $a n g l e o f E l e v a t i o n f r o m t h e b o y t o t h e b i r t h i s 42 °, i f t h e b o y$ $i s 6 m f r o m t h e t r e e . f i n d t h e h i e g h t o f t h e t r e e i f t h e b i r d$ $i s a t t h e t o p o f t h e t r e e$
	Answered by math1967 last updated on 31/Aug/18

	$\frac{H e i g h t o f t r e e}{6} = t a n 42 °$ $H e i g h t o f t r e e = 6 \times . 9 = 5.4 m (A p p r o x)$
	Commented by Rio Michael last updated on 01/Sep/18

	$t h a n k s s i r$
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