dartavion33 dartavion33
  • 03-12-2016
  • Mathematics
contestada

Given triangle ABC, A = 120°, a = 8, b = 3; determine B to the nearest whole degree.

Respuesta :

naveednaqvi
naveednaqvi naveednaqvi
  • 03-12-2016
Sin A / a = Sin B / b Sin 120°/8 = Sin B/3 Cross multiply to get 3 • Sin 120° = 8 • Sin B Sin 120° is (sqrt3 / 2) 3•(sqrt3 / 2) = 8 •sin B 3•sqrt3 / 2 = 8• sin B (3•sqrt3 / 2)/8 = sin B 3•sqrt3 / 2 • 1/8 = sin B 3•sqrt3 / 16 = sin B 0.3247595264 = sin B By using sin inverse we get m
Answer Link

Otras preguntas

One isotope of oxygen has 8 protons and 10 neutrons. Which is the correct reference for this isotope? A. oxygen-18 B. oxygen-10 C.<--------? oxygen-8 D. oxyg
three ways that humans affect earths systems
What would happen to the body if the liver is removed????
Solve the following equality. 7t+15>3t-13
name the blood vessels that carry blood to and from the lungs
20 percent of what number is 14
is 19/4 feet long piano will fit on 5 feet long space?
The movie theater has 250 seats 225 seats were sold for the carriage showing what percent of seats are empty?
what is 3/5 of 60 students?
A student pushes a 40-N block across the floor for a distance of 10 m. How much work was applied to move the block? A. 4 J B. 40 J C. 400 J D. 4000 J