Posted by Lily on Sunday, October 3, 2010 at 8:13pm.
One side of a triangle is 4 cm longer than the shortest side and 2 cm shorter than the longest side. The perimeter is 38 cm. Find the dimensions of the triangle.

algabra 2  Jen, Sunday, October 3, 2010 at 8:29pm
x+x2+x+4=38
3x+2=38
3x=36
x=12
12, 10, 16

algabra 2  naomi, Tuesday, October 12, 2010 at 6:51pm
PT=sum of all sides
38=x+(x2)+(x+4)
38=x+x2+x+4
38=x+x+x2+4
38=3x+2
382=3x
36=3x
36/3=3x/3
12=x
one side is 12
122=10
the other side is 10
12+4=16
the last side is 16
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