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PLS HELP THIS IS TRIGONOMETRY!!!! PLS SHOW STEPS

PLS HELP THIS IS TRIGONOMETRY!!!! PLS SHOW STEPS-example-1
User Ossek
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Answer:

third side =√{30²+16²)=34

sin theta/2=16/34

theta/2=sin-¹(16/34)

theta=28.07×2=56.14

User Gurru
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