Find-the-value-of-x-Circle-O-has-radius-x-A-horizontal-chord-has-length-4-A-vertical-line-segment

Find-the-value-of-x-Circle-O-has-radius-x-A-horizontal-chord-has-length-4-A-vertical-line-segment

Find the value of x.

Circle O has radius x. A horizontal chord has length 4. A vertical line segment from O to this chord forms a right angle with the chord and has length 5.6.

x ≈

(Do not round until the final answer. Then round to the nearest tenth as needed.)