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

If every positive number has two square roots and you can find the length of the side of a square window by finding a square root of the area, why is there only
A crime suspect fled the scene when police officers entered the building. How far could he run in 10 minutes if he can run 5 miles per hour?
The force between a pair of 0.001 C charges is 200 N. What is the distance between them?
how many kilograms is in 12,321grams
How does the saguaro cactus take advantage of rare, brief rainfall?
The most commonly spoken language in the Fertile Crescent around the time of Jesus was
How do you know when to use L'hospital's rule?
How do I solve c/4d divided by 3/8d
Anyone know how to do this kind of algebra?  Compute the discriminants of the next two quadratic equations. Compare the result in (A) to that in (B). What do y
how to solve x to the power of 2 = 14