Intersecting chords theorem:
i.e. when two chords intersect, the products of the resulting line segments' lengths are equal. Then
Answer:
1
Step-by-step explanation:
7c+ 12= -4c+ 78
⇒ 7c+ 4c= 78 -12 (inverse operation)
⇒ 11c= 66
⇒ c= 66/11 (inverse operation)
⇒ c= 6
Final answer: c= 6.
Answer:
c
Step-by-step explanation: