Which are the possible side lengths of a triangle?

3 cm, 5 cm, 9 cm

4 cm, 8 cm, 10 cm

6 cm, 9 cm, 17 cm

8 cm, 10 cm, 18 cm

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540

the answer is a and d