Scroll:Mensuration >> circumference of cone >> ps (4132)


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)  

The circumference of the base of a 27m high wooden solid cone is 88m. Find the volume.

 
 
 
 
27m
2π r=88 m

___m3


Answer:_______________




2)  

The circumference of the base of a 18m high wooden solid cone is 44m. Find the volume.

 
 
 
 
18m
2π r=44 m

___m3


Answer:_______________




3)  

The circumference of the base of a 30m high wooden solid cone is 88m. Find the volume.

 
 
 
 
30m
2π r=88 m

___m3


Answer:_______________




4)  

The circumference of the base of a 12m high wooden solid cone is 88m. Find the volume.

 
 
 
 
12m
2π r=88 m

___m3


Answer:_______________




5)  

The circumference of the base of a 21m high wooden solid cone is 132m. Find the volume.

 
 
 
 
21m
2π r=132 m

___m3


Answer:_______________




6)  

The circumference of the base of a 27m high wooden solid cone is 44m. Find the volume.

 
 
 
 
27m
2π r=44 m

___m3


Answer:_______________




7)  

The circumference of the base of a 18m high wooden solid cone is 88m. Find the volume.

 
 
 
 
18m
2π r=88 m

___m3


Answer:_______________




8)  

The circumference of the base of a 24m high wooden solid cone is 132m. Find the volume.

 
 
 
 
24m
2π r=132 m

___m3


Answer:_______________




9)  

The circumference of the base of a 27m high wooden solid cone is 132m. Find the volume.

 
 
 
 
27m
2π r=132 m

___m3


Answer:_______________




10)  

The circumference of the base of a 24m high wooden solid cone is 44m. Find the volume.

 
 
 
 
24m
2π r=44 m

___m3


Answer:_______________




 

1)  

The circumference of the base of a 27m high wooden solid cone is 88m. Find the volume.

 
 
 
 
27m
2π r=88 m

Answer: 5544m3


SOLUTION 1 :

Given:

Height (h) = 27m

Circumference of cone = 88m

⇒  2π r = 88m  ⇒  2 x 227 x r = 88m

⇒  r = (88x7)/(2x22)  =   61644

⇒  r =  14

Volume of cone =   13  πr2h cubic units

= 13 x 227 x 14 x 14 x 27 = 5544m3

Volume of cone = 5544m3

 



2)  

The circumference of the base of a 18m high wooden solid cone is 44m. Find the volume.

 
 
 
 
18m
2π r=44 m

Answer: 924m3


SOLUTION 1 :

Given:

Height (h) = 18m

Circumference of cone = 44m

⇒  2π r = 44m  ⇒  2 x 227 x r = 44m

⇒  r = (44x7)/(2x22)  =   30844

⇒  r =  7

Volume of cone =   13  πr2h cubic units

= 13 x 227 x 7 x 7 x 18 = 924m3

Volume of cone = 924m3

 



3)  

The circumference of the base of a 30m high wooden solid cone is 88m. Find the volume.

 
 
 
 
30m
2π r=88 m

Answer: 6160m3


SOLUTION 1 :

Given:

Height (h) = 30m

Circumference of cone = 88m

⇒  2π r = 88m  ⇒  2 x 227 x r = 88m

⇒  r = (88x7)/(2x22)  =   61644

⇒  r =  14

Volume of cone =   13  πr2h cubic units

= 13 x 227 x 14 x 14 x 30 = 6160m3

Volume of cone = 6160m3

 



4)  

The circumference of the base of a 12m high wooden solid cone is 88m. Find the volume.

 
 
 
 
12m
2π r=88 m

Answer: 2464m3


SOLUTION 1 :

Given:

Height (h) = 12m

Circumference of cone = 88m

⇒  2π r = 88m  ⇒  2 x 227 x r = 88m

⇒  r = (88x7)/(2x22)  =   61644

⇒  r =  14

Volume of cone =   13  πr2h cubic units

= 13 x 227 x 14 x 14 x 12 = 2464m3

Volume of cone = 2464m3

 



5)  

The circumference of the base of a 21m high wooden solid cone is 132m. Find the volume.

 
 
 
 
21m
2π r=132 m

Answer: 9702m3


SOLUTION 1 :

Given:

Height (h) = 21m

Circumference of cone = 132m

⇒  2π r = 132m  ⇒  2 x 227 x r = 132m

⇒  r = (132x7)/(2x22)  =   92444

⇒  r =  21

Volume of cone =   13  πr2h cubic units

= 13 x 227 x 21 x 21 x 21 = 9702m3

Volume of cone = 9702m3

 



6)  

The circumference of the base of a 27m high wooden solid cone is 44m. Find the volume.

 
 
 
 
27m
2π r=44 m

Answer: 1386m3


SOLUTION 1 :

Given:

Height (h) = 27m

Circumference of cone = 44m

⇒  2π r = 44m  ⇒  2 x 227 x r = 44m

⇒  r = (44x7)/(2x22)  =   30844

⇒  r =  7

Volume of cone =   13  πr2h cubic units

= 13 x 227 x 7 x 7 x 27 = 1386m3

Volume of cone = 1386m3

 



7)  

The circumference of the base of a 18m high wooden solid cone is 88m. Find the volume.

 
 
 
 
18m
2π r=88 m

Answer: 3696m3


SOLUTION 1 :

Given:

Height (h) = 18m

Circumference of cone = 88m

⇒  2π r = 88m  ⇒  2 x 227 x r = 88m

⇒  r = (88x7)/(2x22)  =   61644

⇒  r =  14

Volume of cone =   13  πr2h cubic units

= 13 x 227 x 14 x 14 x 18 = 3696m3

Volume of cone = 3696m3

 



8)  

The circumference of the base of a 24m high wooden solid cone is 132m. Find the volume.

 
 
 
 
24m
2π r=132 m

Answer: 11088m3


SOLUTION 1 :

Given:

Height (h) = 24m

Circumference of cone = 132m

⇒  2π r = 132m  ⇒  2 x 227 x r = 132m

⇒  r = (132x7)/(2x22)  =   92444

⇒  r =  21

Volume of cone =   13  πr2h cubic units

= 13 x 227 x 21 x 21 x 24 = 11088m3

Volume of cone = 11088m3

 



9)  

The circumference of the base of a 27m high wooden solid cone is 132m. Find the volume.

 
 
 
 
27m
2π r=132 m

Answer: 12474m3


SOLUTION 1 :

Given:

Height (h) = 27m

Circumference of cone = 132m

⇒  2π r = 132m  ⇒  2 x 227 x r = 132m

⇒  r = (132x7)/(2x22)  =   92444

⇒  r =  21

Volume of cone =   13  πr2h cubic units

= 13 x 227 x 21 x 21 x 27 = 12474m3

Volume of cone = 12474m3

 



10)  

The circumference of the base of a 24m high wooden solid cone is 44m. Find the volume.

 
 
 
 
24m
2π r=44 m

Answer: 1232m3


SOLUTION 1 :

Given:

Height (h) = 24m

Circumference of cone = 44m

⇒  2π r = 44m  ⇒  2 x 227 x r = 44m

⇒  r = (44x7)/(2x22)  =   30844

⇒  r =  7

Volume of cone =   13  πr2h cubic units

= 13 x 227 x 7 x 7 x 24 = 1232m3

Volume of cone = 1232m3