The acute angles of right angled triangle are in the ratio 2:1. Find the angles.

Question

( A ) 20^{\circ}, 40^{\circ},90^{\circ}
( B ) None of these
( C ) 30^{\circ}, 60^{\circ},90^{\circ}
( D ) 40^{\circ}, 80^{\circ},90^{\circ}