the circumference of two concentric circle forming earring are 88 cm and 66 cm find the width of the ring
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circumference of circle r1 = 2 πr1
88 = 2 ×22/7×r1
88×7/2×22= r
14 = r1
similarly
r2= 21/2
width of ring = r1-r2
= 14 - 21/2
= 7/2
= 3.5 cm
I hope it help you....
please mark it as a brainieist answer....
88 = 2 ×22/7×r1
88×7/2×22= r
14 = r1
similarly
r2= 21/2
width of ring = r1-r2
= 14 - 21/2
= 7/2
= 3.5 cm
I hope it help you....
please mark it as a brainieist answer....
Aasthakatheriya1:
ur welcome
please mark it as a brainieist answer
but there is a mistake
in third line
in which
describe clearly please
tell
now it edit
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