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If m>BFC = 8x+13 and m

If m>BFC = 8x+13 and m-example-1

1 Answer

3 votes

Answer:

12x - 73

Explanation:

DFE + CFD = 12x + 7

DFE + 90 = 12x + 7

DFE = 12x + 7 - 90

DFE = 12x - 83

therefore

DFE = AFB ( vertically opposite angles are equal)

AFB = 12x - 83

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