Question

Fără ex 8 !!
Ajutati-ma va rog !!
Repede !!
Dau COROANA !!

Answer 1

6.m(<CBY)=180 => m(<CBA)=180-m(<ABY)=50

m(<CAB)=180-m(<CAX)=83

m(<BCA)=180-50-83=47

7.m(<A)=180-90-x=90-x

m(<B)=180-90-3x=90-3x

m(<C)180-150+2x=30+2x

m(<A)+m(<B)+m(<C)=210-2x=

Dar suma unghiurilor este de 180 => 210-2x=180 =>x=15

m(<A)=75

m(<B)=45

m(<C)=60