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Find the length and simplify in radical form

Find the length and simplify in radical form-example-1

1 Answer

4 votes

Answer:

Length = 9

Explanation:

7^2 + 4sqrt2^2 = x^2

49 + 16*2 = x^2

49+32 = x^2

x^2=81

x=9

:] (Tell me if this is wrong)

User Rolwin Crasta
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