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

15-04-2017

I think it is B......

Answer Link

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

3. Acquiring a(n) chronic disease moves an individual to a lower level of wellness.true or false

The main source of food for Southern Resident killer whales is __. Salmon Seal Dolphin Shark PLEASE HELP ASAP

Carta de un Zapatero que compuso mal unos zapatos mapa mental, alguien ya lo ha elaborado?

the figure below consists of a rectangle and an equilateral triangle. What is the perimeter of the figure?

PLEASEEWW HELPPP WILL MARK BRAINLIESTTT Which sequence of rigid motions will definitely work to take triangle GHJ onto triangle STU? A.) Rotate GHJ using center

what is bigger 1/2 or 1

what is 1 + 1 that is = 2 and i dont now wht 2 +2=4 and thats all

What is 2/3 take 1/2

Hector has $590 in his account. He earned $15 per hour for x hours. Jeremy has $545 in his account. He earned $20 per hour for x hours. They both worked the sam

The number of girls in a class varies directly with the number of boys in the class. If a class contains seven boys and 21 girls, how many girls are in a class