Scroll:Measurements >> Circle word problems >> ps (4482)


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 diameter of a circular park is 154 m. Find the cost of fencing it at 4 per meter.


Answer:_______________




2)  

 The diameter of a circular park is 161 m. Find the cost of fencing it at 6 per meter.


Answer:_______________




3)  

 The diameter of a circular park is 63 m. Find the cost of fencing it at 7 per meter.


Answer:_______________




4)  

 The diameter of a circular park is 175 m. Find the cost of fencing it at 9 per meter.


Answer:_______________




5)  

 The diameter of a circular park is 147 m. Find the cost of fencing it at 5 per meter.


Answer:_______________




6)  

 The diameter of a circular park is 161 m. Find the cost of fencing it at 4 per meter.


Answer:_______________




7)  

 The diameter of a circular park is 182 m. Find the cost of fencing it at 7 per meter.


Answer:_______________




8)  

 The diameter of a circular park is 154 m. Find the cost of fencing it at 5 per meter.


Answer:_______________




9)  

 The diameter of a circular park is 154 m. Find the cost of fencing it at 7 per meter.


Answer:_______________




10)  

 The diameter of a circular park is 91 m. Find the cost of fencing it at 8 per meter.


Answer:_______________




 

1)  

 The diameter of a circular park is 154 m. Find the cost of fencing it at 4 per meter.

Answer: 1936


SOLUTION 1 :

Given,

 Diameter of the wheel = 154m

Lenth to be fenced = Circumference of the circular park.

                   circumference of wheel = πd

                                                        =   227 x 15422

                                                       = 22 x 22

                                                       =  484 m.

Cost of fencing for one meter = 4

Cost of fencing for 484 meters = 484 x 4 =   1936

Hence, the cost of fencing the circular park is 1936.



2)  

 The diameter of a circular park is 161 m. Find the cost of fencing it at 6 per meter.

Answer: 3036


SOLUTION 1 :

Given,

 Diameter of the wheel = 161m

Lenth to be fenced = Circumference of the circular park.

                   circumference of wheel = πd

                                                        =   227 x 16123

                                                       = 22 x 23

                                                       =  506 m.

Cost of fencing for one meter = 6

Cost of fencing for 506 meters = 506 x 6 =   3036

Hence, the cost of fencing the circular park is 3036.



3)  

 The diameter of a circular park is 63 m. Find the cost of fencing it at 7 per meter.

Answer: 1386


SOLUTION 1 :

Given,

 Diameter of the wheel = 63m

Lenth to be fenced = Circumference of the circular park.

                   circumference of wheel = πd

                                                        =   227 x 639

                                                       = 22 x 9

                                                       =  198 m.

Cost of fencing for one meter = 7

Cost of fencing for 198 meters = 198 x 7 =   1386

Hence, the cost of fencing the circular park is 1386.



4)  

 The diameter of a circular park is 175 m. Find the cost of fencing it at 9 per meter.

Answer: 4950


SOLUTION 1 :

Given,

 Diameter of the wheel = 175m

Lenth to be fenced = Circumference of the circular park.

                   circumference of wheel = πd

                                                        =   227 x 17525

                                                       = 22 x 25

                                                       =  550 m.

Cost of fencing for one meter = 9

Cost of fencing for 550 meters = 550 x 9 =   4950

Hence, the cost of fencing the circular park is 4950.



5)  

 The diameter of a circular park is 147 m. Find the cost of fencing it at 5 per meter.

Answer: 2310


SOLUTION 1 :

Given,

 Diameter of the wheel = 147m

Lenth to be fenced = Circumference of the circular park.

                   circumference of wheel = πd

                                                        =   227 x 14721

                                                       = 22 x 21

                                                       =  462 m.

Cost of fencing for one meter = 5

Cost of fencing for 462 meters = 462 x 5 =   2310

Hence, the cost of fencing the circular park is 2310.



6)  

 The diameter of a circular park is 161 m. Find the cost of fencing it at 4 per meter.

Answer: 2024


SOLUTION 1 :

Given,

 Diameter of the wheel = 161m

Lenth to be fenced = Circumference of the circular park.

                   circumference of wheel = πd

                                                        =   227 x 16123

                                                       = 22 x 23

                                                       =  506 m.

Cost of fencing for one meter = 4

Cost of fencing for 506 meters = 506 x 4 =   2024

Hence, the cost of fencing the circular park is 2024.



7)  

 The diameter of a circular park is 182 m. Find the cost of fencing it at 7 per meter.

Answer: 4004


SOLUTION 1 :

Given,

 Diameter of the wheel = 182m

Lenth to be fenced = Circumference of the circular park.

                   circumference of wheel = πd

                                                        =   227 x 18226

                                                       = 22 x 26

                                                       =  572 m.

Cost of fencing for one meter = 7

Cost of fencing for 572 meters = 572 x 7 =   4004

Hence, the cost of fencing the circular park is 4004.



8)  

 The diameter of a circular park is 154 m. Find the cost of fencing it at 5 per meter.

Answer: 2420


SOLUTION 1 :

Given,

 Diameter of the wheel = 154m

Lenth to be fenced = Circumference of the circular park.

                   circumference of wheel = πd

                                                        =   227 x 15422

                                                       = 22 x 22

                                                       =  484 m.

Cost of fencing for one meter = 5

Cost of fencing for 484 meters = 484 x 5 =   2420

Hence, the cost of fencing the circular park is 2420.



9)  

 The diameter of a circular park is 154 m. Find the cost of fencing it at 7 per meter.

Answer: 3388


SOLUTION 1 :

Given,

 Diameter of the wheel = 154m

Lenth to be fenced = Circumference of the circular park.

                   circumference of wheel = πd

                                                        =   227 x 15422

                                                       = 22 x 22

                                                       =  484 m.

Cost of fencing for one meter = 7

Cost of fencing for 484 meters = 484 x 7 =   3388

Hence, the cost of fencing the circular park is 3388.



10)  

 The diameter of a circular park is 91 m. Find the cost of fencing it at 8 per meter.

Answer: 2288


SOLUTION 1 :

Given,

 Diameter of the wheel = 91m

Lenth to be fenced = Circumference of the circular park.

                   circumference of wheel = πd

                                                        =   227 x 9113

                                                       = 22 x 13

                                                       =  286 m.

Cost of fencing for one meter = 8

Cost of fencing for 286 meters = 286 x 8 =   2288

Hence, the cost of fencing the circular park is 2288.