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dolphi86 [110]
4 years ago
11

Somebody help me ??!!

Mathematics
2 answers:
madreJ [45]4 years ago
6 0

Answer:

15

Step-by-step explanation:

Pythagoras theorem

a^2+b^2=c^2

12*12=144

9*9=81

144+81=225

sq root of 225 = 15

Ann [662]4 years ago
4 0

*this answer i made was incorrect please avoid it*

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