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Helen [10]
3 years ago
8

Add. write the doubles fact you used to solve the problem. 4+5=9

Mathematics
1 answer:
boyakko [2]3 years ago
7 0
4+5=9 4+4=8+1=9 I hope this helps! Follow me
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If they are right triangles
Ahat [919]
You can use Pythagreos theorem to determine it!
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1) 4^2 + 4^2 = 6^2
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         32       = 36 (So this is not a right-angled triangle )
2) 16^2 + 12^2 = 20^2
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5 0
3 years ago
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3 years ago
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