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Help me with this question pleasee

Help me with this question pleasee-example-1

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Answer:

√23 = a

Explanation:

/ab/²= /ac/²+/bc/² (Pythagoras theorem)

12² = a² +11²

144 = a² + 121

144 - 121 = a²

23 = a²

√23 = a

User Grant Johnson
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