Question

find the value of a,b,c and x in the following
​

Answer 1

Step-by-step explanation:

1)4x+20=180

4x=160

x=40°

2)a=180-123

a=57°

3)55+60+10+x=180

x=180-125

x=55°

4)10x=360

x=36°

5)3a-27=180

3a=207

a=69°

6)b=72°

a=108° ;(180-72)

c=a=108°