minbarbielove
minbarbielove minbarbielove
  • 03-04-2020
  • Mathematics
contestada

In ΔDEF, d = 92 cm, e = 42 cm and ∠F=141°. Find the length of f, to the nearest centimeter.

Respuesta :

LiviRy LiviRy
  • 03-04-2020

Answer:

f=127 cm

Step-by-step explanation:

Law of Cosine:

x squared=92 squared+42 squared-2(92)(42)(cos 141)

x squared =8464+1764-7728(cos 141)

x=127 cm

Answer Link

Otras preguntas

The Cold Equations” is not an example of a science-fiction story
the group of people in the united states who were born between 1946 and 1964 are known as
sue purchased three books for $3.75 each.how much did she spend in all?
Besides connecting the eastern United States with the western United States, the Transcontinental Railroad was also instrumental in
how do I solve this 8(c-9)=6(2c-12)-4c
6 tractors take 6 days to collect the harvest how long would it take 9 tractors to do the same work
Identify one disadvantage to each of the following models of electron configuration: Dot structures Arrow and line diagrams Written electron configurations
Been reading an article about president Franklin. came a cross a question but what is rhetoric?
Solve for x. 9 ≤ 17 − 4x
a person who exercises tends to have stronger bonestrue or false