Question

Angle measures and segment lengths someone please explain!!!

Answer 1

Intersecting chords theorem:

$7\cdot7=10x$

i.e. when two chords intersect, the products of the resulting line segments' lengths are equal. Then

$10x=49\implies x=\dfrac{49}{10}=\boxed{4.9}$

Answer 2

Answer:

4.9

Step-by-step explanation:

got it right