Question 316834
Let A be the smallest angle.
The sum of the angles in a triangle sum to,
{{{A+B+C=180}}}
{{{B=4A}}}
{{{C=60+A}}}
.
.
.
{{{A+4A+60+A=180}}}
{{{6A=120}}}
{{{highlight( A=20)}}}
.
.
{{{B=4A}}}
{{{highlight( B=80)}}}
.
.
{{{C=60+A}}}
{{{highlight( C=80)}}}