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RSB [31]
2 years ago
9

Find the measure of ZDCF. C F mDF = 49 G E MEG = 127 Find the measure of angle DCF​

Mathematics
1 answer:
AleksandrR [38]2 years ago
8 0

Answer:

Step-by-step explanation:

Comment

If two secants intersect outside a circle (as these two do) then the angle at which they meet is 1/2 the difference between the intersected arcs. Put much simpler <DCF = 1/2 (arc EG - arc DF)

Givens

Arc EG = 127

Arc DF = 49

Solution

<DCF = 1/2(127 - 49)

<DCF = 1/2(78)

<DCF = 39

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