Question

19.
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.
3
The shape of the pillars is
a) Rectangle b) Cube
c) Cuboid
d), Cylinder
(ii)
By using which formula he can calculate the surface area of the pillar?
a) A = 2(lb + bh + hl)
b) A = 2(lb +hl)
c) A = 2h(1 +b)
d) A = lb + bh + hl
(iii)
The lateral surface area of one pillar is
a) 100 m²
b) 120 m2
c) 165 m²
d) 82.5 m
(iv)
3
d) 440 m
How much cement is used to fill the pillar?
a) 44 m
h) 45 m
c) 450 m
Find the cost of the plantation if icots Rs.50 per m².
a) Rs.6225 b) Bs. 6000
c) Rs. 5000
(v)
d) Rs. 4100​

Answer 1

Answer:

A,C,C,C

Step-by-step explanation:

This is the answer