Find the value of the variable.
A. 12.0
B. 2.2
C. 10.5
D. 4.66

Answer:
C. 10.5
Step-by-step explanation:
Intersecting chords theorem
If two chords intersect in a circle, the products of the measures of the segments of the chords are equal.
⇒ 15 · 7 = 10 · x
⇒ 105 = 10x
⇒ x = 105 ÷ 10
⇒ x = 10.5