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Answer:
s = 10
m∠RZS = 30
m∠TZS = 80
Explanation:
Use angle addition:
m∠RZS + m∠TZS = m∠RZT
Substitute and solve:
3s + 8s = 110
11s = 110
Therefore, m∠RZS = 3s = 30, and m∠TZS = 8s = 80.
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