Question 175388
let the two angles be a and b.
:
a=2b+15.....eq 1
:
a+b=180.....eq 2
:
take a's value from eq 1 and plug it into eq 2
:
2b+15+b=180
:
3b=165
:
{{{highlight(b=55)}}}degrees
:
{{{highlight(a=2(55)+15=125)}}}degrees