Add the two expressions. 8k + 4 and 3k + 8 Enter your answer in the box.
2 answers:
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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°