Math, asked by sona1935, 1 year ago

the cirumferences of two concentric circels are176cm and132cm respectively.what is the difference between their radii?

Answers

Answered by akshaypalsra546

0

Answer:2πR1=176

2πR2=132

R1=176/2π

R2=132/2π

R1-R2 =(176-132)/2π

=(44*7)/(22*2)

=7 units answer

Answered by Anonymous

0

2πR=176

2*22/7*R=176

R=28

2πr=132

2*22/7*r=132

r=21

R-r=28-21

Radii difference=7

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