Mathematics, 22.04.2020 00:04, saltytaetae

A TV has an aspect ratio of 21:9. What does this fact tell you about the relationship between the TV's height and width?
(1)
There are 21 inches of width for every 9 inches of height.
(2)
There are 21 inches of height for every 9 inches of width.
(3)
The total viewing area of the TV is 21.9 square inches
(4)
The TV's diagonal measurement is 21.9 inches.

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A TV has an aspect ratio of 21:9. What does this fact tell you about the relationship between the TV...