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Mathematics 21 Online
OpenStudy (anonymous):

What is the value of x? A.10 B. 2√5 C.5 D.5√2 Picture below.

OpenStudy (anonymous):

OpenStudy (anonymous):

Use Pythagoras theorem, c^2 = a^2 + b^2 where c = x, a = 5 and b = 5.

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