Scroll:Mensuration >> volume of cone >> ps (4131)


Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.



 

1)  

 Radius and slant height of a cone are 13 cm and 29 cm respectively. Find its volume.

 
29cm
 
13cm
 
 

cm3


Answer:_______________




2)  

 Radius and slant height of a cone are 20 cm and 29 cm respectively. Find its volume.

 
29cm
 
20cm
 
 

cm3


Answer:_______________




3)  

 Radius and slant height of a cone are 17 cm and 29 cm respectively. Find its volume.

 
29cm
 
17cm
 
 

cm3


Answer:_______________




4)  

 Radius and slant height of a cone are 20 cm and 33 cm respectively. Find its volume.

 
33cm
 
20cm
 
 

cm3


Answer:_______________




5)  

 Radius and slant height of a cone are 20 cm and 28 cm respectively. Find its volume.

 
28cm
 
20cm
 
 

cm3


Answer:_______________




6)  

 Radius and slant height of a cone are 16 cm and 27 cm respectively. Find its volume.

 
27cm
 
16cm
 
 

cm3


Answer:_______________




7)  

 Radius and slant height of a cone are 11 cm and 24 cm respectively. Find its volume.

 
24cm
 
11cm
 
 

cm3


Answer:_______________




8)  

 Radius and slant height of a cone are 19 cm and 35 cm respectively. Find its volume.

 
35cm
 
19cm
 
 

cm3


Answer:_______________




9)  

 Radius and slant height of a cone are 13 cm and 27 cm respectively. Find its volume.

 
27cm
 
13cm
 
 

cm3


Answer:_______________




10)  

 Radius and slant height of a cone are 16 cm and 35 cm respectively. Find its volume.

 
35cm
 
16cm
 
 

cm3


Answer:_______________




 

1)  

 Radius and slant height of a cone are 13 cm and 29 cm respectively. Find its volume.

 
29cm
 
13cm
 
 

Answer: 4589.07 cm3


SOLUTION 1 :

Given: 

Rarius (r) = 13 cm

slant height ( l ) =  29 cm

      Height (h)  =     l2-r2  =   292- 132

            =   841-169   =   672 

height (h)  =  25.92 cm

Volume of the cone = 13 π r2h cubic unis.

13 x 227 x 13 x 13 x 25.92 

Volume of the cone = 4589.07cm3

 



2)  

 Radius and slant height of a cone are 20 cm and 29 cm respectively. Find its volume.

 
29cm
 
20cm
 
 

Answer: 8800.00 cm3


SOLUTION 1 :

Given: 

Rarius (r) = 20 cm

slant height ( l ) =  29 cm

      Height (h)  =     l2-r2  =   292- 202

            =   841-400   =   441 

height (h)  =  21.00 cm

Volume of the cone = 13 π r2h cubic unis.

13 x 227 x 20 x 20 x 21.00 

Volume of the cone = 8800.00cm3

 



3)  

 Radius and slant height of a cone are 17 cm and 29 cm respectively. Find its volume.

 
29cm
 
17cm
 
 

Answer: 7111.88 cm3


SOLUTION 1 :

Given: 

Rarius (r) = 17 cm

slant height ( l ) =  29 cm

      Height (h)  =     l2-r2  =   292- 172

            =   841-289   =   552 

height (h)  =  23.49 cm

Volume of the cone = 13 π r2h cubic unis.

13 x 227 x 17 x 17 x 23.49 

Volume of the cone = 7111.88cm3

 



4)  

 Radius and slant height of a cone are 20 cm and 33 cm respectively. Find its volume.

 
33cm
 
20cm
 
 

Answer: 11000.00 cm3


SOLUTION 1 :

Given: 

Rarius (r) = 20 cm

slant height ( l ) =  33 cm

      Height (h)  =     l2-r2  =   332- 202

            =   1089-400   =   689 

height (h)  =  26.25 cm

Volume of the cone = 13 π r2h cubic unis.

13 x 227 x 20 x 20 x 26.25 

Volume of the cone = 11000.00cm3

 



5)  

 Radius and slant height of a cone are 20 cm and 28 cm respectively. Find its volume.

 
28cm
 
20cm
 
 

Answer: 8213.33 cm3


SOLUTION 1 :

Given: 

Rarius (r) = 20 cm

slant height ( l ) =  28 cm

      Height (h)  =     l2-r2  =   282- 202

            =   784-400   =   384 

height (h)  =  19.60 cm

Volume of the cone = 13 π r2h cubic unis.

13 x 227 x 20 x 20 x 19.60 

Volume of the cone = 8213.33cm3

 



6)  

 Radius and slant height of a cone are 16 cm and 27 cm respectively. Find its volume.

 
27cm
 
16cm
 
 

Answer: 5833.14 cm3


SOLUTION 1 :

Given: 

Rarius (r) = 16 cm

slant height ( l ) =  27 cm

      Height (h)  =     l2-r2  =   272- 162

            =   729-256   =   473 

height (h)  =  21.75 cm

Volume of the cone = 13 π r2h cubic unis.

13 x 227 x 16 x 16 x 21.75 

Volume of the cone = 5833.14cm3

 



7)  

 Radius and slant height of a cone are 11 cm and 24 cm respectively. Find its volume.

 
24cm
 
11cm
 
 

Answer: 2703.83 cm3


SOLUTION 1 :

Given: 

Rarius (r) = 11 cm

slant height ( l ) =  24 cm

      Height (h)  =     l2-r2  =   242- 112

            =   576-121   =   455 

height (h)  =  21.33 cm

Volume of the cone = 13 π r2h cubic unis.

13 x 227 x 11 x 11 x 21.33 

Volume of the cone = 2703.83cm3

 



8)  

 Radius and slant height of a cone are 19 cm and 35 cm respectively. Find its volume.

 
35cm
 
19cm
 
 

Answer: 11115.02 cm3


SOLUTION 1 :

Given: 

Rarius (r) = 19 cm

slant height ( l ) =  35 cm

      Height (h)  =     l2-r2  =   352- 192

            =   1225-361   =   864 

height (h)  =  29.39 cm

Volume of the cone = 13 π r2h cubic unis.

13 x 227 x 19 x 19 x 29.39 

Volume of the cone = 11115.02cm3

 



9)  

 Radius and slant height of a cone are 13 cm and 27 cm respectively. Find its volume.

 
27cm
 
13cm
 
 

Answer: 4188.95 cm3


SOLUTION 1 :

Given: 

Rarius (r) = 13 cm

slant height ( l ) =  27 cm

      Height (h)  =     l2-r2  =   272- 132

            =   729-169   =   560 

height (h)  =  23.66 cm

Volume of the cone = 13 π r2h cubic unis.

13 x 227 x 13 x 13 x 23.66 

Volume of the cone = 4188.95cm3

 



10)  

 Radius and slant height of a cone are 16 cm and 35 cm respectively. Find its volume.

 
35cm
 
16cm
 
 

Answer: 8348.77 cm3


SOLUTION 1 :

Given: 

Rarius (r) = 16 cm

slant height ( l ) =  35 cm

      Height (h)  =     l2-r2  =   352- 162

            =   1225-256   =   969 

height (h)  =  31.13 cm

Volume of the cone = 13 π r2h cubic unis.

13 x 227 x 16 x 16 x 31.13 

Volume of the cone = 8348.77cm3