Mathematics, 08.01.2020 17:31, fgaef7234

M∠b=71°
a circle with quadrilateral abcd inscribed inside it. the measure of angle a is almost 90 degrees. the measure of angle b is acute. the measure of angle c is obtuse. the measure of angle d is obtuse. none of the measures are provided.

what is measure of the arc∠abc ?

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M∠b=71°
a circle with quadrilateral abcd inscribed inside it. the measure of angle a is almost...