Class 9th Chapter 11 Surface Areas and Volumes Exercise 11.4 Question 8 | Ex 11.4 Q8 new NCERT

Class 9th Chapter 11 Surface Areas and Volumes Exercise 11.4 Question 8 | Ex 11.4 Q8 new NCERT Ex 11.4 Q8 Surface Areas and Volumes Class 9 Maths Ncert New Book | Ex 13.8 Q8 Class 9th Math In this video we have solved Question number 8 from Exercise 11.4 Chapter 11 surface areas and volumes from New NCERT according to new syllabus prescribed by cbse Mathematics class 9th Book and in the old NCERT Maths it is given under chapter 13 and exercise 13.8 Question 8 Q8. A dome of a building is in the form of a hemisphere. From inside, it was white-washed at the cost of Rs 4989.60. If the cost of white-washing is Rs 20 per square metre, find the (i) inside surface area of the dome, (ii) volume of the air inside the dome #sphere #volumeofhemisphere #volumeofsphere #mensuration #cone #9thmaths #class9maths #ncertmathsclass9 #mathematicsclass9 #maths #Surfaceareandvolume #mensuration #volumeofcone #surfaceareasandvolumes #cbseclass9