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

Which term refers to a word or phrase in a sentence that describes something that isn’t clearly stated in the sentence?
If f(x) = 2x2 1, what is f(x) when x = 3? a 1 b 7 c 13 d 19 9 of 50
A recipe includes 2 cups of flour and two thirds cup of milk. write the ratio of the amount of flour to the amount of milk as a fraction in simplest form.
Y=4 over 5x-2 in standard form step by step
Why was galileo galilei charged with heresy??
If a scow is towed at the rate of 3 miles an hour, how many hours will be needed to tow the scow 28 miles? A. 10 hours, 30 minutes B. 9 hours, 20 minutes C. 12
What is the answer to this question?
How does neural transmission compare to endocrine signal transmission?
What is -7/9 x 3/5 PLEASE HELP
There are 500 bags of ballons for 250.00 what is the cost per bag