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# What does it mean to refer to a 20-in TV set? Such unitsrefer to the diagonal of the screen. A 25-in TV also has a width of 20 inches. What is the

What does it mean to refer to a 20-in TV set? Such unitsrefer to the diagonal of the screen. A 25-in TV also has a width of 20 inches. What is the height of a 20-in TV?

Solution:A 25-in TV set has a diagonal length of 25 inches and a width of 20 inches. If you draw apicture of this, you will see that we know two sides of a right triangle, and need to find the...