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 ( 86+ )
Otras preguntas
What is 7k+5=-37 equations answer please answer with step also show the steps
mr. robinson has 20 students on his martial arts class. the ratio of boys to girls is 4:1. how many boys and giris are in mr. Robinson's class?
Why did Emperor Guangxu’s efforts at reform and modernization fail?
What were three developments in the arts during the Enlightenment?
In what ways did Japan isolate itself from the rest of the world? Why did it choose to??
Most management problems can be prevented by carefully defining the areas of:
the process that creates new identical daughter cells
What methods do terrorists employ?
Define enlightened absolutism. Do you think that a truly enlightened absolutism style government can actually exist?
What are the qualifications to be a Supreme Court Justice?
RELAXING NOICE
