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CLASS 9 MATHS EXERCISE 11.1 QUESTION NUMBER 8-SURFACE AREAS AND VOLUMES-NEW NCERT BOOK

Hello everyone, here in this video question 8 of exercise 11.2 is discussed.
A bus stop is barricaded from the remaining part of the road, by using 50 hollow
cones made of recycled cardboard. Each cone has a base diameter of 40 cm and height
1 m. If the outer side of each of the cones is to be painted and the cost of painting is
` 12 per m2
, what will be the cost of painting all these cones? (Use π = 3.14 and take
1.04 = 1.02)

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New ncert book
Class 9 maths exercise 11.1 question number 6
Class 9 maths exercise 11.1 question number 7
Class 9 maths exercise 11.1 question number 8
Class 9 maths exercise 11.1 question number 8
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class 9 maths exercise 11.1
class 9 maths exercise 11.2
class 9 chapter 11 exercise 11.1 question number 6
class 9 chapter 11 exercise 11.1 question number 8


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