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

Find the length a. a=?

Find the length a a class=

Respuesta :

mkryukova19 mkryukova19
  • 13-04-2018
cosine law 
a²=b²+c²-2ab*cosA

a²=13²+11²-2*13*11*cos(108)≈378.37
a≈19.45
Answer Link

Otras preguntas

You have a $2,000 credit card debt, and you plan to pay it off through monthly payments of $50. If you are being charged 15% interest per year, how long (to the
Before public conventions started, how were nominees for the presidency selected?
Divide the following polynomials and then enter the quotient. Write your answer in the descending powers of x.
Sara goes on a slingshot ride in an amusement park. She is strapped into a spherical ball that has a radius of 3·10^2 centimeters. What is the volume of air in
1. Simplify the following expression showing all steps and explain how the order of operations is applied in each step as the expression is simplified. Be sure
Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 18 feet by 18 feet by 4 inches for a patio if the concrete costs $41.00  per c
Two consecutive even integers have a sum of 38
Which of the following buildings do you think represents the influence of ancient Greek culture?
A concession stand vendor counts the money in the register. After 1 h, it has $42.75. After 5 h, it has $260.75. How much money will be in the register at the e
a ball has mass of 0.1 kg and an initial velocity of 20 m/s the ball is given an acceleration of 30 m/s^2 for 5s what is the net force on the ball during accel