SOLUTION: Can someone help me with this problem? I'm not too sure what to do: When a television is advertised as a 27-inch model, the screen is a rectangle with a diagonal of 27 inches.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Can someone help me with this problem? I'm not too sure what to do: When a television is advertised as a 27-inch model, the screen is a rectangle with a diagonal of 27 inches.       Log On


   

Question 1088094: Can someone help me with this problem? I'm not too sure what to do:
When a television is advertised as a 27-inch model, the screen is a rectangle with a diagonal of 27 inches. The screen has a height of 15 inches. Find the length , to the nearest hundredth of an inch of the television
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the Pythagorean theorem,
A%5E2%2BB%5E2=H%5E2
A=15
H=27
So,
B%5E2=H%5E2-A%5E2
B%5E2=27%5E2-15%5E2
Use your calculator.