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

What was the result of Reagan's move away from detente?
PLLSSSS HELP MARKING BRAINLIST SCIENCE
What is the fitness of an organism? A. The environment the organism lives in B. The number of resources an organism uses C. The total population of a species
Please help me. I been stuck for over an hour
Can primary sources be biased towards an event?
An office has 5 copy machines that need to be serviced approximately once an hour either for paper, staples, or toner or repair. Each machine therefore runs app
If you wanted to persuade someone that tiger poaching is wrong, do you think written,spoken or visual message might be most effective? Why?
Can someone help me please ... Imagine you work in a pet store. Write a journal entry about animals and how they act. Includes adjectives and adverbs.
In dogs, wire hair is due to a dominant gene (W), smooth hair id due to its recessive allele.a. If a homozygous wire-haired dog is mated with a smooth-haired do
Find the solution set of the inequality 14-3x<-1