Answer: CE = 13
Step-by-step explanation:
The Pythagorean theorem is expressed as
hypotenuse^2 = one leg^2 + other leg^2
From the diagram,
CE = hypotenuse
CD = 7
DE = 11
Thus,
CE^2 = 7^2 + 11^2 = 49 + 121 = 170
CE = √170
CE = 13
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