Mathematics, 31.03.2021 22:40, betsylancer8522

In circle O, AC and BD are diameters. Circle O is shown. Line segments A C and B D are diameters. The measure of arc A B is (3 x minus 70) degrees and the measure of arc D C is (x + 10) degrees.

What is mArc B C?

50°
80°
100°
130°

(THIS IS ON EDGE 2020)

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In circle O, AC and BD are diameters. Circle O is shown. Line segments A C and B D are diameters. T...