what length of a solid 2 cm in diameter must be taken to recast into hollow cylinder of length 16cm external diameter 20cm and thickness 2.5mm
please tell
i will make brainliest
Share
what length of a solid 2 cm in diameter must be taken to recast into hollow cylinder of length 16cm external diameter 20cm and thickness 2.5mm
please tell
i will make brainliest
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
Answer in explanation. Please mark me as brainliast. Hope it helps.
Step-by-step explanation:
Let the length of the solid cylinder be L.
R= Radius of solid cylinder. R
e
and R
i
are radii of hollow cylinder while L' is its length.
The volume of the solid cylinder = Volume of hollow cylinder
πR
2
L=π(R
e
2
−R
i
2
)L
′
L=
R
2
(R
e
2
−R
i
2
)L
′
=
1
2
(10
2
−9.75
2
)16
=79cm
Please mark me as brainliast. Hope it helps.