Question 1148764
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<U>STEP 1</U>.  It is clear from the condition, that the largest angle is 90 degrees, and the sum of two other angles is 90 degrees, too.


<U>STEP 2</U>.  Since the sum of the two acute angles is 90 degrees and the ratio of their measures is 4:5, these angles are 40 and 50 degrees,


<U>ANSWER</U>.  The angles are 90, 40 and 50 degrees.
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