Practical Geometry Symmetry & Visualising Solid Shapes

A triangle can be constructed by taking its sides as:
(a) 1.8 cm, 2.6 cm, 4.4 cm (b) 2 cm, 3 cm, 4 cm
(c) 2.4 cm, 2.4 cm, 6.4 cm (d) 3.2 cm, 2.3 cm, 5.5 cm