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Liono4ka [1.6K]
3 years ago
7

The diagram shows a triangle.

Mathematics
1 answer:
Basile [38]3 years ago
5 0

Answer:

s=13

Step-by-step explanation:

As\ we\ know\ that,\\"The \ sum\ of\ all\ angles\ of\ a\ triangle\ is\ 180"\\Hence,\\(4s+9)+(3s+1)+(6s+1)=180\\4s+3s+6s+9+1+1=180\\13s+11=180\\13s=180-11\\13s=169\\s=13

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