Gamerdog
Gamerdog Gamerdog
  • 13-01-2021
  • Mathematics
contestada

PLEASE HELP ME PLZ PLZ PLZ

PLEASE HELP ME PLZ PLZ PLZ class=

Respuesta :

ais7
ais7 ais7
  • 13-01-2021

Answer:

4

Step-by-step explanation:

pythagoras theorem = a* + b* = c* ( by '*' i mean squared)

2* + b* = square root twenty

4 + b* = 20

b* = 16

b = 4

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