miyahs0
miyahs0 miyahs0
  • 03-12-2020
  • Mathematics
contestada

Please help. I will brainliest!!

Please help I will brainliest class=

Respuesta :

brendan22kelly22
brendan22kelly22 brendan22kelly22
  • 03-12-2020

Answer:

12. 20 ft

13. 4.5

Step-by-step explanation:

12. (29x29)-(21x21)=400

sq root 400= 20

13. (2x2)+(4x4)= 20

sq root 20= 4.5

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