Question

it is require to make a closed cylindrical tank height = 1 m and base dimeter 140 cm from a metal sheet . how many sq m of sheet are required for the same??


lesson = surface area and volume​

Answer 1

Step-by-step explanation:

confirm nhi h bbu sahii h y glta

Answer 2

Answer:

h=1m

d=140cm

r=140/2=70cm

to convert m

0.7m

are of sheet require= total surface area = 2pAi r(r+h)

2×22/7×0.7×(0.7+1)

4.4×1.7

7.8m2