Question 325975
let the angle be x
the other angle will be 90-x
..
x+1/2 *(90-x)=69
LCM =2
2x+90-x /2 = 69
Multiply by2 
x+90=2*69
x+90=138
add -90
x+90-90=138-90
x=48 deg one angle
the other angle will ne 90 -48=42 deg