SOLUTION: Patrick is replacing a door in his house. It has a height of 80 inches and its diagonal is 89 inches. What is the width of the door?
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Question 1106401: Patrick is replacing a door in his house. It has a height of 80 inches and its diagonal is 89 inches. What is the width of the door?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Right triangle with diagonal the hypotenuse
89^2=80^x+x^2
7921=6400+x^2
1521=x^2
x=39 inches width.
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