fhdjjskksj fhdjjskksj
  • 03-08-2020
  • Mathematics
contestada

Find C and round to the nearest tenth.

Find C and round to the nearest tenth class=

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shaleenparikh1
shaleenparikh1 shaleenparikh1
  • 03-08-2020
We know all the side lengths so can use law of cosines. a=90, b=55, and c=50.
2500=8100+3025-2(90)(55)cos(C)
cos(C)=.8712
C=arccos(.8712)=29.4 degrees
Answer Link
lilynguyen53
lilynguyen53 lilynguyen53
  • 03-08-2020

Answer:

29.4 degrees

Step-by-step explanation:

i divided sin by 55 degrees

Answer Link

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