SOLUTION: In the figure below, ABCD is a square with diagonal AC. Find side CD if AC is equal to 6. Round your answer to two decimal places.

Algebra ->  Algebra  -> Pythagorean-theorem -> SOLUTION: In the figure below, ABCD is a square with diagonal AC. Find side CD if AC is equal to 6. Round your answer to two decimal places.      Log On

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Question 471479: In the figure below, ABCD is a square with diagonal AC. Find side CD if AC is equal to 6. Round your answer to two decimal places.
Answer by mananth(12270) About Me  (Show Source):
You can put this solution on YOUR website!
In triangle ACD AC=6
let cd=x&BC=x
By Pythagoras theorem
x^2+x^2=36
2x^2=36
x^2=18
x=3sqrt%282%29
side CD = 3sqrt%282%29