Answer:
The length of its diagonal is 30 inches.
Step-by-step explanation:
Since, the diagonal of a rectangle is,
Where, l is the length of the rectangle,
w is the width or height of the rectangle,
Here, l = 24 inches,
w = 18 inches,
Hence, length of the diagonal of the given computer monitor is,
12
~
Because they are parallel:
Angles 1,3,5 and 7=125
180-125=55
Angles 2,4, 6 and 8=55
Hope this helps!