Question 175563
let angles be a and b
:
a+b=180...eq 1
a=b+12....eq 2
:
take a's value from eq 2 and plug it into eq 1
:
b+12+b=180
:
2b=168
:
{{{highlight(b=84)}}}degrees
:
{{{highlight(a=84+12=96)}}}degrees