Class 9 Exam  >  Class 9 Questions  >  The curved surface area of a solid cylinder i... Start Learning for Free
The curved surface area of a solid cylinder is 660 cm2 and its height is11 cm. The circumference of the base of the cylinder is​
  • a)
    30 cm
  • b)
    90 cm
  • c)
    120 cm
  • d)
    60 cm
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
The curved surface area of a solid cylinder is 660 cm2and its height i...
Curved surface area of Cylinder = 2πrh

HEIGHT=11cm

660=2πrh
660=2×22/7×r×11
660=484/7×r
(660×7)/484=r
105/11=r

Radius=105/11

The circumference of base of cylinder = 2πr
=2×22/7×105/11
=2×2×15
=60 cm
Attention Class 9 Students!
To make sure you are not studying endlessly, EduRev has designed Class 9 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 9.
Explore Courses for Class 9 exam

Top Courses for Class 9

The curved surface area of a solid cylinder is 660 cm2and its height is11 cm. The circumference of the base of the cylinder isa)30 cmb)90 cmc)120 cmd)60 cmCorrect answer is option 'D'. Can you explain this answer?
Question Description
The curved surface area of a solid cylinder is 660 cm2and its height is11 cm. The circumference of the base of the cylinder isa)30 cmb)90 cmc)120 cmd)60 cmCorrect answer is option 'D'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about The curved surface area of a solid cylinder is 660 cm2and its height is11 cm. The circumference of the base of the cylinder isa)30 cmb)90 cmc)120 cmd)60 cmCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The curved surface area of a solid cylinder is 660 cm2and its height is11 cm. The circumference of the base of the cylinder isa)30 cmb)90 cmc)120 cmd)60 cmCorrect answer is option 'D'. Can you explain this answer?.
Solutions for The curved surface area of a solid cylinder is 660 cm2and its height is11 cm. The circumference of the base of the cylinder isa)30 cmb)90 cmc)120 cmd)60 cmCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 9. Download more important topics, notes, lectures and mock test series for Class 9 Exam by signing up for free.
Here you can find the meaning of The curved surface area of a solid cylinder is 660 cm2and its height is11 cm. The circumference of the base of the cylinder isa)30 cmb)90 cmc)120 cmd)60 cmCorrect answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of The curved surface area of a solid cylinder is 660 cm2and its height is11 cm. The circumference of the base of the cylinder isa)30 cmb)90 cmc)120 cmd)60 cmCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for The curved surface area of a solid cylinder is 660 cm2and its height is11 cm. The circumference of the base of the cylinder isa)30 cmb)90 cmc)120 cmd)60 cmCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of The curved surface area of a solid cylinder is 660 cm2and its height is11 cm. The circumference of the base of the cylinder isa)30 cmb)90 cmc)120 cmd)60 cmCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice The curved surface area of a solid cylinder is 660 cm2and its height is11 cm. The circumference of the base of the cylinder isa)30 cmb)90 cmc)120 cmd)60 cmCorrect answer is option 'D'. Can you explain this answer? tests, examples and also practice Class 9 tests.
Explore Courses for Class 9 exam

Top Courses for Class 9

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev