Question

how long will 1155 litre of water fill an empty rectangular tank of size 4m*3m*2.31m ?

Answer 1

Step-by-step explanation:

The semi-vertical angle of a cone is 45∘45∘ . If the height of the cone is 20.025, then its approximate lateral surface area is

A. 4012–√π4012π

B. 4002–√π4002π

C. 3992–√π3992π

D. None of these