Question

12. The curved surface area of a cylinder is 176 cm?, its height is a 8 cm, then find its volume.​

Answer 1

Answer:

Base area of cylinder =πr

2

=38.5cm

2

(Given)

⇒πr

2

=38.5

⇒r

2

=

22

38.5×7

⇒r=

12.25

=3.5cm

CSA of cylinder =2πrh=176cm

2

(Given)

∴2πrh=176

⇒h=

2×22×3.5

176×7

=8cm

Therefore,

Volume of cylinder =πr

2

h

=

7

22

×(3.5)

2

×8=308cm

3

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

Telangana state board 9th class SUMMATIVE ASSESSMENT-1 Exams 14/12/2021 Question-12 solved answer by Mahesh Malthumkar.

12. The curved surface area of a cylinder is 176 cm?, its height is a 8 cm, then find its volume.