The angles in a triangle are in the ratio 1:2:3. The possible values of angles are
A10, 20, 30
B30, 45, 90
C45, 45, 90
D30, 60, 90
A10, 20, 30
B30, 45, 90
C45, 45, 90
D30, 60, 90
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The diagonal of a square is . The diagonal of anothersquare whose area is doublethat of the first square is :