Akdbdoej23 Akdbdoej23

10-05-2020
Mathematics

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A cylindrical pencil holder is shown below. The height is 18 cm and diameter 4 cm.
a) Find the capacity of the pencil holder?
b) The outer curved surface area is covered with colored paper. Calculate the area of the paper?

A cylindrical pencil holder is shown below The height is 18 cm and diameter 4 cm a Find the capacity of the pencil holder b The outer curved surface area is cov class=

Respuesta :

10-05-2020

Answer:

a=72pi or 226cm^3

b=same 72pi or 226cm^2

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amna04352 amna04352

10-05-2020

Answer:

a) 226.08 cm³

b) 226.08 cm²

Step-by-step explanation:

Capacity = Volume

3.14 × (4/2)² × 18

226.08 cm⁴

Curved SA

2 × 3.14 × (4/2) × 18

226.08 cm²

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