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Lilit [14]
3 years ago
5

What is the answer to this???

Mathematics
2 answers:
Katarina [22]3 years ago
5 0
A = √(15²-9²) = √(225-81) = √144 = 12
Naya [18.7K]3 years ago
4 0
A^2+b^2=c^2

a^2+9^2=15^2
a^2+81=225
a^2=144
take the square root of each side
a=12
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