Question

the radii
of the two circles are 77 cm and 91 cm respectively. How much longer is the circumference
of the second circle than the first?​

Answer 1

Step-by-step explanation:

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Answer 2

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$\sf\underbrace{Question: }$

the radii of the two circles are 77 cm and 91 cm respectively. How much longer is the circumference of the second circle than the first?

$\sf\underbrace\orange{Required\:Answer:}$

--> circumference of 1st circle =2r

-->2×22/7×77=484cm

--> circumference of 2nd circle= 2×22/7×91=572cm

--> 572-484=88cm

--> the second circle's circum. is 88cm longer than the circ. of first circle.

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