amya57
amya57 amya57
  • 13-04-2018
  • Mathematics
contestada

Find the measure of angle A

Find the measure of angle A class=

Respuesta :

Goalinetsky
Goalinetsky Goalinetsky
  • 13-04-2018
Apply the law of cosines. and solve for A

[tex]14^{2} = 11^{2} + 11^{2} - 2(11)(11)cos(A) \\ 196 = 121 + 121 - 242cos(A) \\ -46 = -242cos(A) \\cos(A) = 0.1900826446[/tex]

 A = 79.04239272, or 79

Answer Link

Otras preguntas

It important to avoid tanning salons and wear a hat, sunglasses, and protective clothing whenever you spend time outside because they protect you from excessive
Which river flows through Paris and empties into the English Channel? A. Rhine B. Seine C. Loire D. Thames
When a moving object reduces its speed, what happens to the objects acceleration in relation to its velocity?
How you say Markayla in Spanish
Write a ratio equivalent to 30/45 that has lower terms.(Which one is right, please help!) A. 6/15 D.45/39 B.31/46 E.10/9 C.10
what is 5/12 Plus 5/12?
15 is 30% of what number? (Please explain and/or show work)
Prosecution of Nazi war criminals. 2 words.
Which additional word in the sentence should be capitalized? This present from an old student of yours is for you, professor. A. You B. Student C. Professor D.
what kind of foods did the priests eat ancient Egypt