Answer:
∠ C = 35°
Explanation:
The sum of the 4 interior of a kite = 360°
The opposite angles D and F are congruent, that is
∠ F = 125°
Sum the 4 angles and equate to 360°, thus
∠ C + 125° + 75° + 125° = 360°
∠ C + 325° = 360° ( subtract 325° from both sides )
∠ C = 35°