lelepons87 lelepons87
  • 16-02-2021
  • Mathematics
contestada

Please guys I really need help like right now

Please guys I really need help like right now class=

Respuesta :

hahaecho
hahaecho hahaecho
  • 16-02-2021

Answer:

10.5

Step-by-step explanation:

ok use Pythagorean theorem

a²+b²=c²

3²+1.25²=c²

9+1.6=c²

√10.5≈ 3.2

3²+1.25²=3.2²

OR divide 13 by 4 because the proportion used is 4:1

13/4= 10.5

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