Two equal sides of a triangle are each 4m less than three time the third side. Find the dimensions of the triangle if it perimeter is 55m
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BA + AC + BC = 55
( 3x - 4 ) + ( 3x - 4 ) + x = 55
3x - 4 + 3x - 4 + x = 55
7x -8 = 55
7x = 55 + 8
7x = 63
x = 9
Therefore x = 9m
Therefore,
BA = 3x - 4
= 27 - 4
= 23m
AC = 3x - 4
= 27 - 4
= 23m
BC = x
= 9m
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