Question

angle a + angle b + angle c = 4 rt. angles

Answer 1

gvn;
a+b+c=360'
then a=360-(b+c)
         b=360'-(a+c)
          c=360'-(a+b)

Answer 2

4 rt angle= 90×4=360 360/3= 120 So each angle can be 120 if a= b=c otherwise there are many set can be create to obtain 360