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Anuta_ua [19.1K]
3 years ago
5

Find mZR R 120° 140° S Need help with this question?

Mathematics
1 answer:
andrew-mc [135]3 years ago
8 0

Answer:

m\angle R  = 50 \degree

Step-by-step explanation:

By inscribed angle theorem:

m\angle R  =  \frac{1}{2} [360 \degree - (120 \degree + 140 \degree)]  \\  \\ m\angle R  =  \frac{1}{2} [360 \degree -260 \degree]  \\  \\  m\angle R  =  \frac{1}{2} \times 100 \degree  \\  \\  m\angle R  = 50 \degree  \\  \\

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