Скачать или смотреть Ex 11.4 (Q1 to Q4) Surface Areas and Volumes Class 9 Maths Ncert New Book

Ex 11.4 (Q1 to Q4) Surface Areas and Volumes Class 9 Maths Ncert New Book

You can directly click here👇 for full chapter's Playlist Class 9th Ch:11 Surface Areas and Volumes Ncert New Syllabus:
• Class 9th Maths Chapter 11 Surface Areas

In this video we have solved Exercise 11.4 Chapter 11 Surface area and volume and solved Question 1 to Question number 4 from NCERT Mathematics class 9 based on new syllabus prescribed in new ncert book.

Q1. Find the volume of a sphere whose radius is
(i) 7 cm (ii) 0.63 m
Q2. Find the amount of water displaced by a solid spherical ball of diameter
(i) 28 cm (ii) 0.21 m
Q3. The diameter of a metallic ball is 4.2 cm. What is the mass of the ball, if the density of the metal is 8.9 g per cm³?
Q4. The diameter of the moon is approximately one-fourth of the diameter of the earth.
What fraction of the volume of the earth is the volume of the moon?

#sphere
#hemisphere
#volumeofsphere
#Volumeofhemisphere
#cone
#9thmaths
#surfaceareasandvolumes
#mensuration
#class9maths
#ncertmathsclass9
#class9thmaths
#surfaceareandvolume
#maths
#9maths
#themathlens