Angle measures and segment lengths someone please explain!!!

Question

asked Jun 1, 2020 129k views

2 Answers

TomBot · Answer 1 · 2020-06-07T19:38:57+0000

Intersecting chords theorem:

$7\cdot7=10x$

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

$10x=49\implies x=(49)/(10)=\boxed{4.9}$