What is the value of u?

asked Jun 16, 2022 184k views

5 votes

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5 votes

Answer:

u = 23°

Explanation:

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

Ed Ballot answered Jun 23, 2022

5.0k points

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