Respuesta :

For this problem you would use Pythagorean Theorem, or the equation a^2+b^2=c^2.

28^2+15-7^2=c^2

784+246.49=c^2

1030.49=c^2

sqrt(1030.49)=sqrt(c^2)

32.10124608=c

This tv is a 32 inch tv.