April wants to paint three walls of her bedroom. The walls are each 90 square feet. Paint is only sold in whole quarts, and each
1 answer:
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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°