A gardener wants to fence a circular garden of diameter 21 m . Find the lenght of the rope he needs to purchase if he makes two rounds of fence . Also find the cost of the rope, if it cost 4 rupees per metre. (π=22/
Answers
Answered by
0
Answer:
the circumference=66
66*2=132
132*4=528
528 rupees will be needed
Answered by
0
Answer :-
66m is length of rope needed. Cost of the rope is 528 rupees.
Step by step explanation:-
Perimeter of circle = 2πr
Radius = 21/2
=> 2 × 22/7 × 21/2
=> 66m
Total length of rope needed for fencing
= 66m × 2
= 132m
So, Total cost of rope needed for fencing
= 132 × 4
= 528 rupees,,
Similar questions