Answer:
[tex]13.509 inch\\\\[/tex]
Step-by-step explanation:
Given,
Diagonal distance across the screen [tex]= 15.6 inch\\[/tex]
Height of the screen [tex]= 7.8 inch\\[/tex]
width of the screen [tex]= \sqrt{15.6^2 - 7.8^2} \\= \sqrt{243.36 - 60.84} \\= \sqrt{182.52}\\= 13.509\\[/tex]
