Question 178946
let angles be z,x,and y
:
z+x=90........eq 1
z+y=180.......eq 2
z+x+y=200.....eq 3
:
rewrite eq 1 to x=90-z and eq 2 to y=180-z and plug those values into eq 3
:
z+90-z+180-z=200
:
-z=-70
:
{{{highlight(z=70)}}}degrees
:
{{{x=20}}}
:
{{{y=110}}}