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lianna [129]
3 years ago
5

Chords and Arcs - Guided Practice

Mathematics
1 answer:
Mariulka [41]3 years ago
3 0

Answer:

Step-by-step explanation:

A) 120 / 2 = 60°

B) 180 - 90  60 = 30°

C) 60° same as arc length GE in part A above

D) 9 units = Rsinθ = 18sin30

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