<PRE><B>Question 571043</B>
We can use trigonometry to find the measures of the two acute angles.


I will call the missing angles A and B.


A is approximately arctan(7/18), which is read &quot;inverse tangent of 7/18.&quot;


Use your scientific calculator to find arctan of (7/18).


I will call the other angle B.


B can be found using the following formula:


B = 180 - (90 + measure of angle A)


Can you finish now?


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