Ex 11.2 (Q1 to Q3) Surface Areas and Volumes Class 9 Maths Ncert New Book | Ex 13.4 Class 9th math

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Ex 11.2 (Q1 to Q3) Surface Areas and Volumes Class 9 Maths Ncert New Book | Ex 13.4 Class 9th math

In this video we have started Exercise 11.2 chapter 11 Surface area and volume and solved Question 1 to Question number 3 from NCERT Mathematics class 9 based on new syllabus prescribed in new book. In old NCERT book it is given under chapter 13 and exercise 13.4

Q1. Find the surface area of a sphere of radius:
(i) 10.5 cm (ii) 5.6 cm (iii) 14 cm

Q2. Find the surface area of a sphere of diameter:
(i) 14 cm (ii) 21 cm (iii) 3.5 m

Q3. Find the total surface area of a hemisphere of radius 10 cm. (Use π = 3.14)

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sie aapko bahoot baadaya 7k ke liye
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Sir aaj to दीवाली manayenge. Sombar se padaye kaarengi ham abb. 💥💥💣💣💣💫🙏🙏deepali ki sukamni❤

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