It seems like you may be referencing a geometric figure or a triangle with angles, but the description is incomplete. To find the value of \( d \), I would need more context or information about the problem, such as whether these angles are in a triangle, a polygon, or some other geometric configuration.
If you meant that the angles 50° and 70° are part of a triangle, we could find the third angle \( d \) using the fact that the sum of the angles in a triangle is 180°:
\[ d = 180° - 50° - 70° \]
Calculating that:
\[ d = 180° - 120° = 60° \]
If this is not what you meant, please provide more details about the figure or the context!
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