Скачать или смотреть 📘 Surface Area & Volume 📏🧊 | Full Explanation & Solutions (NCERT) Class 9 Math: Q7 to Q9 Ex 11.3

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7. A right triangle ABC with sides 5 cm, 12 cm and 13 cm is revolved about the side 12 cm. Find the volume of the solid so obtained.

8. If the triangle ABC in the Question 7 above is revolved about the side 5 cm, then find the volume of the solid so obtained. Find also the ratio of the volumes of the two solids obtained in Questions 7 and 8.

9. 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 required.

   • 📘 Surface Area & Volume 📏🧊 | Full  Explana...  
   • 📘 Surface Area & Volume 📏🧊 | Full  Explana...  
   • 📘 Surface Area & Volume 📏🧊 | Full  Explana...  
   • 📘 Surface Area & Volume 📏🧊 | Full  Explana...  
   • 📘 Surface Area & Volume 📏🧊 | Full  Explana...  


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