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aev [14]
3 years ago
7

20 POINTS!!

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
7 0
Use the Pythagoras Theorem 
Tasya [4]3 years ago
4 0
20^2 + 21^2 = 27^2
400 + 441 = 729
881 = 729 (does not equal)

Not a right traingle
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