dwking1oz3xzx dwking1oz3xzx
  • 03-04-2018
  • Mathematics
contestada

Can I receive some help on this paper please

Can I receive some help on this paper please class=

Respuesta :

luckypaw021 luckypaw021
  • 03-04-2018
2a is 225, 

20^2+b^2=25^2
400+b^2=625
625-400=225
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