Question

let AB be the centre of two circles of equal radii draw them so that each one of them passes through the centre of other that they intersect at C D

Answer 1

make 2 centres a and b  then join them,
now takingthr radii  as ab from centre a draw a circle ,,..
now draw one more cirle by taki the radius ab from centre b....
now where the two circles intersect each will be at two places join them