Answer:
Sum of the interior angles of the triangle= 180°
y+79°+37°=180°
y= 180° - 116°
y= 64°
64 degrees
Explanation:
The interior angles of a triangle must add up to 180 degrees. So, we can add up the other two, known angles to get 116. Subtract 116 from 180 (180-116) to get 64.
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