Question

Can someone help? I don't get it I tried so many combinations, pls help me my parents don't know either.

Answer 1

Answer:

C.S.A. of cylindrical =2πrh

⇒ C.S.A. of are pillar =2×

7

22

×28×4=704cm

2

⇒ C.S.A. of 24 pillars =24×704=16896cm

2

=16896×10

−4

m

2

=1.69m

2

⇒ Total cost Rs. 8×1.69=Rs.13.52

Answer 2

Answer:

13.52 is answer please make me brainslit