SOLUTION: 1. Use the Pythagorean Theorem and the square root property to solve the following problem. Express your answer in simplified radical form. Then find a decimal approximation to the

Question 486600: 1. Use the Pythagorean Theorem and the square root property to solve the following problem. Express your answer in simplified radical form. Then find a decimal approximation to the nearest tenth.
A rectangular park is 12 miles long and 4 miles wide. How long is a pedestrian route that runs diagonally across the park? Answer in simplified radical form.
2. Each side of a square is lengthened by 1 in. The area of the new square is 121 square inched. Find the length of a side in the original square.
Answer by chessace(471) (Show Source): You can put this solution on YOUR website!
1.
L = sqrt(12^2 + 4^2) = sqrt(144+16) = 12.6 miles.
2.
As usualy x=ans
(x+1)^2 = 121
sqrt:
x+1 = 11
x=10

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