Surface Areas And Volumes-Exercise 11.3 | Class 9 Chapter 11 #9maths #surfaceareasandvolumes #ncert
Surface Areas And Volumes-Exercise 11.3 | Class 9 Chapter 11 #9maths #surfaceareasandvolumes #ncert ======================================================= 📢 Full Playlist Link: ✅ In this video ✔️ Class: 9th ✔️ Subject: Maths ✔️ Chapter: Surface Areas and Volumes (Chapter 11) ✔️ Topic Name: Exercise 11.3 ✔️ Topics Covered In This Video (DEVI CHAHAL): In this engaging session, providing clear explanations and valuable problem-solving strategies. ======================================================= 00:00:00 Introduction - Surface Areas and Volumes 00:02:00 Q1. Find the volume of the right circular cone with (i) radius 6cm, height 7 cm (ii) radius 3.5 cm, height 12 cm (Assume π = 22 / 7) 00:06:50 Q2. Find the capacity in litres of a conical vessel with (i) radius 7cm, slant height 25 cm (ii) height 12 cm, slant height 12 cm 00:17:08 Q3. The height of a cone is 15cm. If its volume is 1570cm3, find the diameter of its base. (Use π = 3.14) 00:20:18 Q4. If the volume of a right circular cone of height 9cm is. 48πcm3, find the diameter of its base. 00:23:30 Q5. A conical pit of top diameter 3.5m is 12m deep. What is its capacity in kiloletrs ? V 00:27:18 Q6. The volume of a right circular cone is 9856cm3. If the diameter of the base is 28cm, find (i) height of the cone (ii) slant height of the cone (iii) curved surface area of the cone 00:33:18 Q7. A right triangle ABC with sides 5cm, 12cm and 13cm is revolved about the side 12 cm. Find the volume of the solid so obtained. 00:37:50 Q8. If the triangle ABC in the Question 7 is revolved about the side 5cm, then find the volume of the solids so obtained. Find also the ratio of the volumes of the two solids obtained in Questions 7 and 8. 00:42:20 Q9. A heap of wheat is in the form of a cone whose diameter is 10.5 m and height is 3 m. Find its volume. The heap is to be covered by canvas to protect it from rain. Find the area of the canvas. Why study from us ? LETS LEARN TOGETHER is an online education platform that helps gives you NCERT/CBSE curriculum-based full courses free so that you can perform well in any and all exams you give in your academic career. ======================================================= #class9 #class9maths #maths #surfaceareas #volume #surfaceareasandvolumes #magnetbrains #newsession2023_24 #cbse2023_24 #cbseboard #ncert #exercise #ncert #exercise11.3 ncert solutions for class 9 maths chapter 11 surface area and volume surface area and volume class 9 surface area and volume class 9 with answers class 9 maths chapter 11 surface area and volume solutions exercise 11.3 class 9 surface area and volume class 9 maths chapter 11 solutions class 9 maths chapter 11 Disclaimer: "This video is for educational and informational purposes only and is not intended to infringe on any copyrights.