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Answer:
∠C = 130°
Step-by-step explanation:
as ∠D is 74° and as ABCD is a quadrilateral
∴ angles add up to 360°
∴ ∠A+∠B+∠C+∠D=360°
∴ 4x + 2x + 5x +74= 360
11x = 360 - 74
x = 286/11
x = 26
∴ ∠C = 130°
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