SOLUTION: Television screens are usually measured by the length of its diagonal. The television set has a 60 � inch diagonal. the screen is 12 inches wider than its height. Find the dimen

Question 979838: Television screens are usually measured by the length of its
diagonal. The television set has a 60 � inch diagonal. the
screen is 12 inches wider than its height. Find the
dimensions of the screen. THANKS IN ADVANCE
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
x, width
y, height
diagonal is a hypotenuse of right triangle with legs x and y.

, and x, are the legs.
-----Pythagorean Theorem, because Right Triangle;

You can factorize the constant nonvariable term.
12*12*12=2*...... but if you don't want to check all of that, use discriminant.
.

, based on formula for general solution to quadratic equation, jumping through a couple of steps.
.

Now find x.

.
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