Triangle A has sides of lengths #51 #, #48 #, and #54 #. Triangle B is similar to triangle A and has a side of length #3 #. What are the possible lengths of the other two sides of triangle B?

1 Answer
May 9, 2016

#(3,48/17,54/17),(51/16,3,27/8),(17/6,8/3,3)#

Explanation:

Since triangle B has 3 sides , anyone of them could be of length 3 and so there are 3 different possibilities.
Since the triangles are similar then the ratios of corresponding sides are equal.
Name the 3 sides of triangle B, a ,b and c , corresponding to the sides 51 ,48 ,54 in triangle A.
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If side a = 3 then ratio of corresponding sides #=3/51=1/17#
hence b#=48xx1/17=48/17" and " c=54xx1/17=54/17#
The 3 sides of B #=(3,48/17,54/17)#
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If side b = 3 then ratio of corresponding sides #=3/48=1/16#
hence a#=51xx1/16=51/16" and " c=54xx1/16=27/8#
The 3 sides of B #=(51/16,3,27/8)#
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If side c = 3 then ratio of corresponding sides #=3/54=1/18#
hence a #=51xx1/18=17/6" and " b=48xx1/18=8/3#
The 3 sides of B #=(17/6,8/3,3)#
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