miar45665 miar45665
  • 09-02-2022
  • Mathematics
contestada

help me please i don't uderstand

help me please i dont uderstand class=

Respuesta :

zsm2800 zsm2800
  • 09-02-2022

Answer:

(a) d = 2.1     (b) a = 8.7

Step-by-step explanation:

[tex]d^{2}+d^{2} = 3^{2}[/tex]

[tex]2d^{2} = 9\\d = \sqrt[2]{9/2} = 2.1[/tex]

The hypotenuse = 5*2 = 10

[tex]5^{2} + a^{2} = 10^{2}\\a^{2} = 100 - 25 = 75\\a = \sqrt{75} = 8.7[/tex]

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