joanna2057 joanna2057
  • 01-04-2021
  • Mathematics
contestada

a
2.1 cm
2.9 cm
Find the value of a.

a 21 cm 29 cm Find the value of a class=

Respuesta :

maviadallepalle
maviadallepalle maviadallepalle
  • 02-04-2021

Step-by-step explanation:

[tex]a = \sqrt{ {2.9}^{2} - {2.1}^{2} } = \\ = \sqrt{8.41 -4.41 } = \\ \sqrt{4 } = 2[/tex]

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