Val's tv is 20 inches long and the diagnol measureis 25 iche show long is the width of her tv
To find the width of Val's TV, we can use the Pythagorean theorem, which states that in a right triangle, the square of the length of the hypotenuse (diagonal) is equal to the sum of the squares of the other two sides.
Let the width of Val's TV be represented by 'x'.
The length is 20 inches and the diagonal is 25 inches.
So, we can set up the equation as follows:
x^2 + 20^2 = 25^2
x^2 + 400 = 625
x^2 = 225
x = √225
x = 15 inches
Therefore, the width of Val's TV is 15 inches.