Mariacastro07
Mariacastro07
23-01-2018
Mathematics
contestada
set up an equation and solve for x
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gustanika
gustanika
23-01-2018
Because the triangle is iscosceles, the two angles on the same leg are the same. So the equation will be
angle 1 = angle 2
5x = 3x +20
Now, solve it
5x = 3x + 20
5x - 3x = 20
2x = 20
x = 20/2
x = 10
The value of x is 10
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