Question

the measure of a angle parallelogram is 60.find other angles

Answer 1

if one angle is 60 then its opposite angle is also 60
sum of all sides of parallelogram is 360 degree
as we know that in a parallelogram opposite angles are equal
so let the other 2 angles of a quadrilateral parallelogram x
then
x+x+60+60=360
2x+120=360
2x=360-120=240
2x=240
x=240/2
x=120
so all the angles are 120,120,60,60degree respectively