1.

a rectangular paper of dimensions 22cm×8cm is formed into a hollow cylinder by rolling ot along its length. find the radius of the cylinder.

Answer»

Answer:

1.27 CM


Step-by-step explanation:

The PAPER is rolled along the length

⇒ the BREADTH of the paper is the circumference


Find the radius

Circumference = 2πr

8 = 2πr

r = 8 ÷ 2π

r = 14/11 or 1.27 cm


Answer: The radius is 1.27 cm



Discussion

No Comment Found

Related InterviewSolutions