Question

An engineer plans to make all the pillars of the Metro green with plants to make

these beautiful and to contribute for healthy environment as shown in the

picture. Observe the picture and answer the questions if dimension of one

pillar is 1.5 m X 1.5 m X 20 m.(i) The shape of thepillarsis

a) Rectangle b)Cube c)Cuboid d)Cylinder

(ii) Byusingwhichformulahecancalculatethesurfaceareaofthepillar?

a) A = 2(lb + bℎ+ℎl) b) A = 2(lb+ℎl)

c) A = 2ℎ(l+b) d) A = lb + bℎ +ℎl

(iii) The lateral surface area of one pillaris

a)100m2 b)120m2 c)165 m2 d) 82.5m2

(iv) How much cement is used to fill thepillar?

a)44m3 b)45m3 c)450m3 d) 440m3

(v) FindthecostoftheplantationifitcostsRs.50perm2

.

a) Rs.6225 b)Rs.6000 c)Rs.5000 d) Rs.4100​

Answer 1

Answer:

An engineer plans to make all the pillars of the Metro green with plants to make these beautiful and to contribute for healthy environment as shown in the picture. Observe the picture and answer the questions if dimension of one pillar is 1.5 m X 1.5 m X 20 m. (i) The shape of the pillars is a) Rectangle b) ...

Step-by-step explanation: