Question

A company packages its milk powder in cylindrical
container whose base has a diameter of 14 cm and height
20 cm. Company places a label around the surface of
the container (as shown in the figure). If the label is placed
2 cm from top and bottom, what is the area of the label.​

Answer 1

Answer:

Givenn:

d=14cm and h=20cm

⇒Height of the label =20−2−2=16 cm

⇒Radius =

2

d

=

2

14

=7 cm

⇒Area of the label =2πrh=2×

7

22

×7×16=704 sq cm

Answer 2

Givenn:

d=14cm and h=20cm

⇒Height of the label =20−2−2=16 cm

⇒Radius =

2

d

=

2

14

=7 cm

⇒Area of the label =2πrh=2×

7

22

×7×16=704 sq cm