What is the value of u?

Bschwagg asked Mar 24, 2022

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23 votes

Bschwagg asked Mar 24, 2022

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13 votes

Answer:

u = 23°

Explanation:

$2u + u + {21}^(o)= {90}^(o) \\3u + {21}^(o) = {90}^(o) \\ 3u = {90}^(o) - {21}^(o) \\ 3u = {69}^(o) \\ u = \frac{ {69}^(o) }{3} \\ u = {23}^(o) \\$

Heedfull answered Mar 31, 2022

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