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

Current event in any Spanish speaking country. (Any time from Oct. 2014 to Jan. 2015)
Which part of the atom is directly involved in chemical changes? A. the electron B. the energy levels C. the nucleus D. the charges
Which is considered a major contribution of Mesopotamian civilization? A. They discovered how to cultivate cotton. B. They invented a complex system of writing
Which of the following Fourteen Points best reflects Woodrow Wilson’s belief that nations should be able to govern themselves? (Points : 2) “Nationalities which
what is the most work that can be done with 100 joules if energy
3. It was only after the _______ _______ that people started gathering in larger groups and formed more complex institutions. Was it the: Industrial Revolution,
PLEASE HELP I GIVE THANKS
Earth's population continues to grow daily. Which of the following statements best illustrates a possible consequence of such rapid growth?
PLEASE HELP I GIVE THANKS
what two factors determine the thermal energy in a substance