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djverab [1.8K]
3 years ago
7

This is about intersecting chords theorem PLEASE HELP ​

Mathematics
1 answer:
katen-ka-za [31]3 years ago
6 0
The answer to your question is c
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IM IN DESPERATE NEED FOR HELP SOMEONE HURRRRYYY
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yes, triangle DEF is similar to triangle DBC, BC corresponds to EF, and angle DCB corresponds to angle F.

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Part A: Angle D is congruent to angle D by the reflexive property. Since line BC is parallel to line EF then angle DCB = angle DFE by corresponding angles.  Hence triangle DEF is similar to triangle DBS by the AA Similarity Postulate.

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