in a 25 in TV, the length of the screen a diagonal is 25 in. If the screens height is 15 in , what is its width?

Answer 1

W^2 = 25^2 - 15^2 = 625-225 = 400

W = 20 inches for width

it's a 3-4-5 right triangle, multiplied by factor of 5 to get sidess 15-20-25