Question

Find the volume of the cylindrical log of height 7m and radius 3m.

Answer 1

Step-by-step explanation:

Total surface area of the cylinder =2π×r(h+r)

=2×

7

22

×7×(7+3)=44×10=440m

2

Sheet of metal required =440m

2

Answer 2

Answer:

answer 400m2

total surface area of the cylinder =2π × r (h+r)

=2×22/7 ×7 ×(7+3) = 44×10 = 400 m2