thanhhuu thanhhuu
  • 02-09-2021
  • Mathematics
contestada

cho tam giac abc vuong tai a, goc abc=60 do canh ab=5cm . tinh ac

Respuesta :

thaonguyen1
thaonguyen1 thaonguyen1
  • 02-09-2021

Answer:

Δ abc vuong tai a, goc abc = 60°, canh ab = 5cm

tan abc = tan 60° = [tex]\frac{AC}{AB}[/tex]

⇒ AC = AB × tan 60° = 5√3

Answer Link

Otras preguntas

in the system you created in (a), give an example of a sudden change that would affect the stability of the system. Explain what may happen.
Which two characteristics are basic parts of a literary analysis essay about a play
A ________ menu, which offers new foods every day and repeats approximately every week, is most useful in the early childhood setting. A.Static B.Family-style C
Can someone please help me
is this answer correct?
If (examscore > 89); grade = 'a'; using the code snippet above, when does grade get assigned a value of 'a'?
One of three operas based on libretti written by lorenzo da ponte, this opera's libretto was based on a french play, the publication of which had been censored
Convert y+1=3/4(x-16) to standard form.
18. Emma works 16 hours per week during the summer. At this rate, how many hours will she work in 12 weeks? * A. 192 hours B. 180 hours C. 184 hours D. 208 hour
both questions please