casscass233135
casscass233135
23-06-2017
Mathematics
contestada
What is the answer to this???
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Banabanana
Banabanana
23-06-2017
a = √(15²-9²) = √(225-81) = √144 = 12
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mahmoodt0431
mahmoodt0431
23-06-2017
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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