Question

A rectangular solid is 6m long,4.5 m wide and 8m high....find : 1. its volume , 2.its total surface and 3. cost of painting it at 3Rs per m square

Answer 1

Answer:

Step-by-step explanation:Volume of a cuboid =lbh.

6×4.5×8=216.

(b) TSA=2(lb+bh+hl)

2(6×4. 5+4.5×8+8×6)=

2(27+36+48)=

2(111)=

222m/sq

(c)Total rs=222×3=

Rs666/-