Question 363158
By definition,
{{{A+C=90}}}
.
.
.
{{{C=1.5A}}}
Substitute,
{{{A+1.5A=90}}}
{{{2.5A=90}}}
{{{highlight(A=36)}}} degrees
.
.
{{{C=1.5(36)}}}
{{{highlight(C=54)}}} degrees