In the diagram below, if < ACD = 48 °, find the measure of < ABD.

Giedre asked Oct 8, 2023

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Giedre asked Oct 8, 2023

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11 votes

Answer:

Explanation:

the opposite angles of a cyclic quadrilateral sum to 180° , that is

∠ ABD + ∠ ACD = 180°

∠ ABD + 48° = 180° ( subtract 48° from both sides )

∠ ABD = 132°

Uknight answered Oct 14, 2023

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