JoSakura JoSakura
  • 06-10-2017
  • Mathematics
contestada

Fie trapezul ABCD dreptunghic in A, BC||AD,CD=12, m unghiului BCD=60°, BC=2AD.
a) Aratati ca perimetrul trapezului ABCD este egal cu 6(5+radical din 3) cm.
b)calculati aria lui ABCD.
c)aflati sinusul unghiului BCA

Respuesta :

makcheyox60ox
makcheyox60ox makcheyox60ox
  • 06-10-2017
b is the correct answer i think
Answer Link

Otras preguntas

What is the difference between an in-group and an out-group?
Which key details support the central idea that a persuasive speaker can make others believe anything, even lies? a. "All the other male pigs on the farm were
how does the representative government work
help me solve these with work thanks!
Macrosociology and microsociology seem to make very different assumptions about how society works. How does sociology, as a discipline, deal with these two very
Define the two main types of mixed media and their purpose(s).
Read the excerpt from "Fish Cheeks." At the end of the meal, my father leaned back and belched loudly, thanking my mother for her fine cooking. "It’s a polite C
What is the belief that smarter, stronger businesses beat out weaker, smaller businesses?
Biological catalysts help with what?
Identify the three concepts often government that influenced the American colonies