jsibkehhh
jsibkehhh jsibkehhh
  • 19-02-2024
  • Mathematics
contestada

Giving brianliest! please help me ASAP! ty!
Topic: Law of Cosines​

Giving brianliest please help me ASAP ty Topic Law of Cosines class=

Respuesta :

nikvist
nikvist nikvist
  • 19-02-2024

Answer:

Step-by-step explanation:

[tex]c^2=a^2+b^2-2ab\cos\angle C\\c^2=10^2+4^2-2\cdot 10\cdot 4\cos\angle{35^o}\\c^2=100+16-80\cdot\cos\angle{35^o}=116-80\cdot\cos\angle{35^o}\approx 50.47\\c\approx 7.1\\\angle A=\arcsin(\frac{a}{c}\sin\angle{C})\approx 126.1^o,\quad\angle B=\arcsin(\frac{b}{c}\sin\angle{C})\approx 18.9^o[/tex]

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