Question

3. The area of metal sheet required to make a closed cylinder of height 1 m and base diameter 140 cm is ------------ sq.m *
PLEASE HELP ME SOMEONE

Answer 1

Answer:

7.48 square meteres

Step-by-step explanation:

h=1m=100cm

2r=140cm

r=140/2 =70cm

total surface of area of closed cylinder tank=2πr(h+r)

2×22/7×70(100+70)

74800cm square= 74800/100×100 meteres square

hence 7.48 square metres of sheet is required

Answer 2

Answer:

neenga yaarunga......tamil aaama.....