2 years ago

Please help find mDF!!

Mathematics

1 answer:

Natalka [10]2 years ago

4 0

9514 1404 393

Answer:

72°

Step-by-step explanation:

The external angle E is half the difference of subtended arcs CG and DF.

E = (CG -DF)/2

2E = CG -DF . . . . . . multiply by 2

DF = CG -2E = 160° -2(44°) . . . . . add DF-2E to both sides; substitute values

arc DF = 72°

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