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

How/why do copy machines produce o zone?
What group of people was taken to America and sold as slaves?
The Federalist Papers supported the passage of the U.S. Constitution. Name one of the writers.
The concentration of a solution can be expressed in (I ) milliliters per minute (2) parts per million (3) grams per Kelvin (4) joules per gram
What force is thought to be an important cause plate tectonic motion ?
Name one of the two longest rivers in the United States.
What is one responsibility that is only for United States citizens?
What is the supreme law of the land?
What is the supreme law of the land?
Which reaction is single replacement? (1) 2H2O2 --> 2H2O + O2 (2) 2H2 + O2 --> 2H2O (3) H2SO4 + Mg --> H2 + MgSO4 (4) HCl + KOH --> KCl + H2O