fhdjjskksj fhdjjskksj
  • 03-08-2020
  • Mathematics
contestada

Find C and round to the nearest tenth.

Find C and round to the nearest tenth class=

Respuesta :

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

Otras preguntas

Clara's class is going on a trip to the local science museum. Twenty-five students, one teacher, and three parents are going on the trip. The museum charges $3.
Why did scholars and the general public alike refuse to accept Copernicus’s heliocentric model? HELPP
what is brood nurse​
Ik it’s 7 in the morning but can somebody help a gal out
True or F alse : 5x + 2y = 0 is the equation of a line whose slope is undefined.
How did this technology make the eqyptian revolution different from earlier revolutions elsewhere in the world?
Please help me out with this
what type of artwork was common in the American colonies
After two half-lives, what fraction of a radioactive sample has decayed?1/2 2/3 3/4 5/6
Which region was more industrial in the mid-1800s? A. The Northeast B. The West C. The North D. The South