Problema Solution

the diagonal of TV is 39 in long. the length is 21 in more than its height. what is the length and height

Answer provided by our tutors

let


x = the height of the tv, x>0

x + 21 = the length of the tv


using the Pythagorean Theorem we can write


x^2 + (x + 21)^2 = 39^2


by solving we find


x = 15 in


click here to see the step by step solution of the equation


Click to see all the steps



15 + 31 = 36 in


the length is 36 inches.

the height is 21 inches.