dylanbrain17 dylanbrain17
  • 19-09-2021
  • Mathematics
contestada

What is the value of u?

What is the value of u class=

Respuesta :

rlesandisusanya
rlesandisusanya rlesandisusanya
  • 19-09-2021

Answer:

u = 23°

Step-by-step explanation:

[tex]2u + u + {21}^{o}= {90}^{o} \\3u + {21}^{o} = {90}^{o} \\ 3u = {90}^{o} - {21}^{o} \\ 3u = {69}^{o} \\ u = \frac{ {69}^{o} }{3} \\ u = {23}^{o} \\ [/tex]

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