If \( \mathrm{r}, \mathrm{h}, \mathrm{c}, \mathrm{v} \) are radius, height, curved surface area ...

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=XnRlThRSZHg


Duration: 3:07
0 views
0

If \( \mathrm{r}, \mathrm{h}, \mathrm{c}, \mathrm{v} \) are radius, height, curved surface area and volume of a cone respectively, then prove that \( 3 \pi v h^{3}-c^{2} h^{2}+9 v^{2}=0 \).
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-07-14A sphere of diameter \( 5 \mathrm{~cm} \) is dropped into a cylindrical vessel partly filled wit...
2023-07-14If a solid right circular cone of height \( 24 \mathrm{~cm} \) and base radius \( 6 \mathrm{~cm}...
2023-07-14A solid is in the form of a cone with vertical height \( h \) that is mounted on the top base ...
2023-07-14A metallic sphere of diameter \( 3 \mathrm{~cm} \) has been recasted into a wire of thickness \(...
2023-07-14The radius and height of a right circular cone is \( 7 \mathrm{~cm} \) and \( 24 \mathrm{~cm} \)...
2023-07-14A container made up of a iron is in the form of a frustum of a cone of height \( 16 \mathrm{~cm}...
2023-07-14A man donates 5 aluminium buckets to an orphanage. The buckets of height \( 16 \mathrm{~cm} \) a...
2023-07-14A right circular cone having radius, \( \mathrm{r} \) is cut by a plane parallel to the base a...
2023-07-14A cone is divided into two parts by drawing a plane parallei to the base through a point which d...
2023-07-14An exhibition tent is in the form of a cylinder surmounted by a cone. The height of the tent abo...
2023-07-14If \( \mathrm{r}, \mathrm{h}, \mathrm{c}, \mathrm{v} \) are radius, height, curved surface area ...
2023-07-14A field is \( 80 \mathrm{~m} \) long and \( 50 \mathrm{~m} \) broad. In one corner of the field,...
2023-07-14A right circular cone is divided by a plane parallel to its base into a small cone of volume \( ...
2023-07-14A solid is in the form of a cone mounted on a hemisphere in such a way that the centre of the ba...
2023-07-14In the following figure, from a rectangular region \( A B C D \) with \( A B=20 \mathrm{~cm} \),...
2023-07-14A brass pipe is \( 17.5 \mathrm{~m} \) long. The external radius of the pipe is \( 3.6 \mathrm{~...
2023-07-14.Two dice are thrown simultaneously. The probability of getting a sum of 9 is: a. \( \frac{1}{10...
2023-07-14The radius and height of a cone are in the ratio \( 3: 4 \). If the volume is \( 301.44 \mathrm{...
2023-07-14A bag contains 7 red balls and some blue balls. If the probability of drawing a blue ball is dou...
2023-07-14A box of 480 bulbs contains 12 defective bulbs. One bulb is taken out at random from this box. T...
2023-07-14100 cards are numbered from 1 to 100 . Find the probability of getting a prime number. a. \( \fr...