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Spaleet · Answer 1 · 2021-04-27T14:21:46+0000

Answer:

70

Explanation:

C and 110° are opposite angles of a cyclic quadrilateral.

Opposite angles of a cyclic quadrilateral are supplementary.

$\therefore \: c \degree + 110 \degree = 180 \degree \\ \therefore \: c \degree = 180 \degree - 110 \degree \\ \therefore \: c \degree = 70 \degree \\ \therefore \: c = 70$

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