Fiona’s TV screen is 20 inches long. The diagonal measures 25 inches.

How long is the width of Fiona's TV?

inches

1 answer

The width of Fiona's TV can be calculated using the Pythagorean theorem. Let the width be W.

W^2 + 20^2 = 25^2
W^2 + 400 = 625
W^2 = 225
W = 15 inches

Therefore, the width of Fiona's TV is 15 inches.