09-12-2016
Mathematics

Answered

Please help me with this question !

Please help me with this question ! class=

Verified Answer :

Anonymous Anonymous

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

Answer Link

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