cce72 cce72
  • 26-03-2020
  • Mathematics
contestada


Please help with law of cosines. Please mark brainliest

Please help with law of cosines Please mark brainliest class=

Respuesta :

kenlingdad kenlingdad
  • 26-03-2020

Answer:

∠C = 27°

Step-by-step explanation:

AB² = BC² + AC² - 2 x BC x AC x cos ∠C

25 = 100 + 121 - 2 x 10 x 11 x cos ∠C

cos ∠C = 196 / 220 = 0.89

∠C = 27°

Answer Link

Otras preguntas

Electrical wires are generally protected by a tube of plastic. a similar insulating function is performed in the nervous system by the:
Please help it’s due Monday!!!
What is the correct equation for photosynthesis?a. 6o2 + c6h12o6  6co2 + 6h2o + atp energyb. 6o2 + c6h12o6 + atp energy  6co2 + 6h2oc. 6co2 +6h2o  6o2 + c6h1
If x = 7 and y = 10, what is the value of the expression xy - ( y + 2) ? A. 71 B. 66 C. 58 D. 50
what is the slope & y intercept in the equation y= 3/4x-4 3/4 is a fraction i got y int = (0,4) slope = (3/4)
How many times does 3 go into 7?
I need help with number 11, please.
a, b, c, or d?? im so bad at this dont even try me
Pauley graphs the change in temperature of a glass of hot tea over time. He sees that the function appears to decrease quickly at first, then decrease more slow
Petrojac is a premier provider of oil field consultancy services in roswell, new mexico. its consultants are experts on local conditions. recent discoveries of