Question 343342
let longest side = x
one side = x/2
third side =x-10
...
x+x/2 + x-10=53
+10
2x+x/2 +10-10=53+10
2x+x/2 = 63
(4x+x)/2 =63
LCD =2
5x/2 = 63
multiply by 2
5x= 2*63
/5
x= 2*63/5
=25.2
..
x/2 = 25.2 /2 = 12.6
x-10 = 25.2 -10=15.2
The sides are
25.2 , 12.6, 15.2
Check
Their sum = 53