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aliina [53]
2 years ago
13

Help me with this question pleasee

Mathematics
1 answer:
Liono4ka [1.6K]2 years ago
7 0

Answer:

√23 = a

Step-by-step explanation:

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

12² = a² +11²

144 = a² + 121

144 - 121 = a²

23 = a²

√23 = a

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