Answer:
Volume of new cylinder = 25446.9 mm³.
Step-by-step explanation:
Given : A cylinder has a height of 1.2 cm and radius = 5 mm.
To find : If all the dimensions of the cylinder are tripled, what will be its new volume.
Solution : We have given that
Height of cylinder = 1.2 * 10 = 12 mm.
radius = 5 mm.
Volume of cylinder = pi * radius² * height.
Volume of cylinder = 3.14 * (5)² * 12
Volume of cylinder = 942.48 mm³.
If the dimensions are tripled
Height = 12 *3 = 36 mm
Radius = 5 * 3 = 15 mm
Volume = pi * radius² * height.
Volume = 3.14 * (15)² * 36
Volume of new cylinder = 25446.9 mm³.
Therefore, Volume of new cylinder = 25446.9 mm³.
