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melamori03 [73]
3 years ago
5

How would I solve this?

Mathematics
1 answer:
maks197457 [2]3 years ago
7 0

Answer:

20°

Step-by-step explanation:

perpendicular from the center on a chord of a circle always bisects the chord.

AR=BR

∴m arcAC=m arc BC=20°

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