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Pythagorean Theorem

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Please help with the following problems involving applications of the Pythagorean Theorem. Provide step by step calculations.

1. The sides of a square are lengthened by 6 cm, the area become 121 cm^2. Find the length of a side of the original square.

2.Television sets. What does it mean to refer to a 20in TV set or a 25in TV set units refer to the diagonal of the screen 30 in TV set also has a width of 24 inches. What is the height?

3.Find the polynomial for the perimeter for the area
(see attached file for diagram)
C+10
Box 6

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This posting applies the Pythagorean theorem by helping find the length of a side of the original square, the height of a television set, and the polynomial for the perimeter for the area. The solution provides step by step calculations.

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1. The sides of a square are lengthened by 6 cm, the area become 121 cm2. Find the length of a side of the original square.

Let x be the length of the side of the original square. Then we ...

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