dimy
dimy
09-12-2016
Mathematics
contestada
Please help me with this question !
Respuesta :
Аноним
Аноним
09-12-2016
m<DAC + m<CAB = 90
4x + 8 + 5x - 8 = 90
9x = 90
x = 90/9
x=10
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JacobLeviste
JacobLeviste
09-12-2016
Triangle DAC and CAB are both equal. So lets make the equation.
4x + 8 = 5x - 8
Do the math, Add 8 to both sides
4x +8 +8 = 5x - 8 + 8
4x + 16 = 5x
Subtract 4x from both sides
4x - 4x + 16 = 5x - 4x
16 = x or x = 16
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