Answer:

Step-by-step explanation:
Attached above
<span>a whole number; a number that is not a fraction.</span>
Answer:
21°
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
subtract the sum of the 2 given angles from 180 for the other angle
other angle = 180° - (90 + 69)° = 180° - 159° = 21°
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