Given:
The size of a rectangular TV screen is given by the length of its diagnol.
THe diagonal length is 27 inches.
The height is 16.2 inches.
Required:
To find the width.
Explanation:
From the given data
Let x be the width.
From the above figure
[tex]\begin{gathered} 27^2=x^2+16.2^2 \\ \\ x^2=27^2-16.2^2 \\ \\ x^2=729-262.44 \\ \\ x^2=466.56 \\ \\ x=\sqrt{466.56} \\ \\ x=21.6 \end{gathered}[/tex]
Final Answer:
The width of the TV screen is 21.6 inches.
