rubiconejo89 rubiconejo89
  • 08-06-2021
  • Mathematics
contestada

Can pls someone help I need help

Can pls someone help I need help class=

Respuesta :

peto11226 peto11226
  • 08-06-2021
a^2 + b^2 = c^2
9^2 + b^2 = 15^2
81 + b^2 = 225
225 - 81 = b^2
144 = b^2
square root of 144 = 12
b = 12
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