Question 360952
{{{ABD+BDE=180}}}
{{{12x-12+3x+48=180}}}
{{{15x+36=180}}}
{{{15x=144}}}
{{{x=48/5}}}
.
.
{{{ABD=12(48/5)-12}}}
{{{ABD=576/5-60/5}}}
{{{highlight(ABD=516/5)}}} degrees
.
.
{{{BDE=3(48/5)+48}}}
{{{BDE=144/5+240/5}}}
{{{highlight(BDE=384/5)}}} degrees