Question 367025
Since it's a triangle,
{{{a+b+c=180}}}
{{{a+2a+(3a-30)=180}}}
{{{6a=210}}}
{{{highlight(a=35)}}}degrees
.
.
{{{highlight(b=70)}}}degrees
.
.
{{{c=3(35)-30}}}
{{{highlight(c=75)}}}degrees