Answer:
x ≈ 9.2
Step-by-step explanation:
When 2 chords of a circle intersect, then the product of the measures of the parts of one chord is equal to the product of the measures of the parts of the other chord, that is
5x = 9 × 5.1 = 45.9 ( divide both sides by 5 )
x ≈ 9.2
