Berapa hasil akhirnya??

[tex]b = \sqrt{c ^{2} - a ^{2} } \\ \: \: \: = \sqrt{16 ^{2} - 12 ^{2} } \\ \: \: \: = \sqrt{256 - 144} \\ \: \: \: = \sqrt{112} \\ \: \: \: = \sqrt{16 \times 7} \\ \: \: \: = 4 \sqrt{7} [/tex]
Maaf Kalau Salah