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Determine the measure of ∠dgf. A) 22° b) 29. 5° c) 70° d) 81°.
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Determine the measure of ∠dgf. A) 22° b) 29. 5° c) 70° d) 81°.

User Dmytro Ovdiienko
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An angle formed by 2 chords ( angle DGF) = 1/2(the sum of the two outside angles).

DGF = 1/2 ( 81 + 59)

DGF = 1/2(140)

DGF = 70 degrees.

The answer is C.
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