Find a simplified expression for the perimeter of the square below

what is the approximate angle of acb if abc is 25cm and the length of segment bc is 15

step-by-step explanation:

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

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