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4 votes
Somebody help me ??!!

Somebody help me ??!!-example-1

2 Answers

7 votes

*this answer i made was incorrect please avoid it*

User Joan Venge
by
4.0k points
3 votes

Answer:

15

Explanation:

Pythagoras theorem

a^2+b^2=c^2

12*12=144

9*9=81

144+81=225

sq root of 225 = 15

User Zawisza
by
3.6k points