amelie12883929 amelie12883929

02-06-2021
Mathematics

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vanesagabino vanesagabino

02-06-2021

Answer

12 in

Step-by-step explanation:

Pythagoreans Theorem: a^2+b^2=c^2

9^2+b^2=15^2

81+b^2=225

b^2=144

b=12

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