Answer:
x = 100°
Step-by-step explanation:
The measure of a chord- chord angle is half the sum of the arcs intercepted by the angle and its vertical angle, that is
x = (71 + 129)° = 0.5 × 200° = 100°
4 + 6x + 5 = 7x Could someone help me? Thanks :) And could you also show how u did it
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