Question

find the amount of concrete required to erect a concrete pillar to circular base will have a perimeter 8.8 metre and whose curved surface is 17.6 M​

Answer 1

The pillar is a cylinder

the perimeter of the base is 8.8m

therefore ,radius =1.4m

the curved surface area of the pillar

is17.6m square

the height=11m

therefore ,the concrete required to erect the pillar=the volume of the cylindrical pillar

the concrete required=67.76m3

Answer 2

Answer:

Step-by-step explanation: