the perimeter of a circle is 18cm . find it's radius
Sonugiri:
c = 18
18 = 2×22/7×r
(18×7)÷44=r
Answers
Answered by
0
Given,
perimeter of circle=18
2πr=18
r=18×7/22×2
r=9×7/22
r=63/22
r=2.87cm
r=2.9cm(approximately).
perimeter of circle=18
2πr=18
r=18×7/22×2
r=9×7/22
r=63/22
r=2.87cm
r=2.9cm(approximately).
Answered by
2
Heya friends ☣
As we know that ,
Perimeter of circle =2πr..
so,2πr=18. ..(given)
2*22/7*r=18
=>r=18*7/44
=>63/22
=>2.8636363636..
Approachly ....2.87cm...radius..or 2.9 also
hope it helps you.
,@Rajukumar1☺☺
As we know that ,
Perimeter of circle =2πr..
so,2πr=18. ..(given)
2*22/7*r=18
=>r=18*7/44
=>63/22
=>2.8636363636..
Approachly ....2.87cm...radius..or 2.9 also
hope it helps you.
,@Rajukumar1☺☺
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