Answer:
ab, ac, bc
Step-by-step explanation:
a=30, b=60, c=180-(30+60) = 180-90=90
154.521
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10 m
x2 + 242 = 262
x2 + 576 = 676
x2 = 100
x = 10
The chord is 10 m from the center of the circle.
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