gsgeheh81
gsgeheh81
20-02-2021
Mathematics
contestada
helppppppppppppppppppppppppppppp
Respuesta :
trebor5x
trebor5x
20-02-2021
4*((7x-6)+(4x-3))=360
7x-6+4x-3=90
11x=99
x=9
∠ACD
= (7x-6)=7*9-6
= 57°
Answer Link
SanaeNoob
SanaeNoob
20-02-2021
BD is the angle bisector of ∠ADC
Therefore ∠ADC=(8x-6)°
Same for ∠DCB, AC bisects ∠DCB
Therefore ∠DCB=(14x-12)°
Because AD//BC, ∠DCB+∠ADC=180°
i.e. 22x-18=180
x=9
Answer Link
VER TODAS LAS RESPUESTAS ( 91+ )
Otras preguntas
The reaction rate is k[Ce4+][Mn2+] for the following reaction: 2Ce4+(aq) + Tl+(aq) + Mn2+(aq) → 2Ce3+(aq) + Tl3+(aq) + Mn2+(aq What is the catalyst?
select the choices that are true statements of the similarities between dna and rna
Juan and his friends played a game in which sticky darts were thrown onto a playing board. To start the game, Juan threw a dart randomly onto the board. Describ
Greg is designing a clock face. Using the center of the clock face as the origin, he keeps its diameter at 10 units. Match the positions of the hours on the clo
In the outcome of the Opium War (1839−1842), what did the treaties do?
In 1976, Argentina was ruled by a military junta that did which of the following? A. helped people gain more rights to own lands B. led a "dirty war" against po
Under President Johnson’s leadership, Congress helped young children living in poverty by establishing the Head Start program. starting the space race. creating
What response do you expect to happen as the body tries to restore homeostasis
You walk up to a soda machine and put in a dollar, and are rewarded with a bottle of root beer. When you put in another dollar, you get another soda. Assuming t
Can I graduate Penn Foster HS by skipping the assignments and just doing well on the exams?
