cameronlorraine
cameronlorraine cameronlorraine
  • 15-04-2017
  • Mathematics
contestada

In triangle ABC angle A = 45, a = 9, c = 11. Find angle C to the nearest tenth.

A. 30.2 degrees

B. 35.3 degrees

C. 59.8 degrees

D. 54.7 degrees

Respuesta :

emilybb195
emilybb195 emilybb195
  • 15-04-2017
I think it is B......
Answer Link
wolf1728
wolf1728 wolf1728
  • 15-04-2017
Using the Law of Sines
a / sine A = c / sine C
9 / 0.70711 = 11 / sine C
sine C = 11 * 0.70711 / 9
sine C = 0.8642455556
Angle C = arc sine ( 0.8642455556 )
arc sine ( 0.8642455556 ) = 59.796

answer is C


Answer Link

Otras preguntas

Compare the foreign policy advice of George Washington with the actions of James Madison. What motivated each president?
How does a projectile differ from an object in free fall?
Which planet's temperature is closest to that of Earth? (Note: Water boils at 100°C/212°F. Water freezes at 0°C/32°F)
name a geometric solid suggested by a number cube
Which of the following statements about the Sun is true? A The Sun orbits a nearby star called Alpha Centauri. B The Sun is made up mostly of helium and ca
Identify the number as rational or irrational. Explain. 291.87
what do you think of Jim crow
10 POINTS!! PLEASE HELP in mercantilism which was one purpose served by colonies? A to buy manufactured goods from parent countries B to drive down prices and
Can anyone please help me I really need your help.
I need help really bad on 1 and 2