rectangular sheet of paper with length 22 cm and breadth 16 cm is rolled along its length to form a cylinder what will be its radius also find the total surface area of the obtained cylinder. plz answer it.
Answers
Answered by
1
Step-by-step explanation:
Height of cylinder = Width of sheet =BC=22 cm
Circumference of top = 2πr = Length of sheet =AB=36 cm
⇒r=
2π
36
Now, volume = πr
2
h
=π×(
2π
36
)
2
×22
=
4×22
36×36×7×22
=2268cm
3
Hence, the volume of the cylinder is 2,268cm
3
Answered by
0
Answer:
Step-by-step explanation:
Height of cylinder = Width of sheet =BC=22 cm
Circumference of top = 2πr = Length of sheet =AB=36 cm
⇒r=
2π
36
Now, volume = πr
2
h
=π×(
2π
36
)
2
×22
=
4×22
36×36×7×22
=2268cm
3
Hence, the volume of the cylinder is 2,268cm
3
Similar questions