Question

☆BRAINLIEAST QUESTION☆

If a person complete one and half revolution of circular park of diameter 21m then the displacement covered by the person is *

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Answer 1

$\huge\underline\mathtt\red{Answer:}$

Step-by-step explanation:

Well, the formula for the circumference of a circle is :

d = 2 (pi) r = (pi) (diameter)

for 21 m radius:

d = 2 (pi) 21 = 42 (pi) = roughly 131.95 meters

or, for two rounds,

2 d = almost 264 meters

but the net displacement from the starting point is zero (0).

Answer 2

Answer:

0

Step-by-step explanation:

Step-by-step explanation:

Well, the formula for the circumference of a circle is :

d = 2 (pi) r = (pi) (diameter)

for 21 m radius:

d = 2 (pi) 21 = 42 (pi) = roughly 131.95 meters

or, for two rounds,

2 d = almost 264 meters

but the net displacement from the starting point is zero (0).