Pragya rapped a cord around a circular pipe of radius 4 cm and cut off the length required of the chord then she rapped it around a square box of side 4 cm did she have any chord left? PLEASE explain
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Answered by
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Step-by-step explanation:
Perimeter of the square = 4 x side of the square = 4 x 4 = 16
Perimeter of the circular pipe = 2πr = 2 x 3.14 x 4 = 25.12
Length of chord left with Pragya = 25.12 -16 = 9.12
lishakapoor:
thanx
Answered by
12
Answer :-
9.12 cm
Explanation :-
Given :-
Side of square = 4 cm
To find :-
Length of chord left with pragya
Solution :-
The perimeter of square = 4 × Side
According to the Problem :-
The radius of the circular pipe = 4 cm
The perimeter of the circular pipe =
Length of the chord left with Pragya = 25.12 – 16
=> 9.12 cm
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