plz give me a answer in this question no 13
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Area of 1st circle =22/7*r2
1386=22/7*r2
1386*7/22=r2
63*7=r2
441=r2
21cm=r
Area of 2nd circle =22/7=R2
1886.5=22/7*R2
1886.5*7/22=R2
85.75*7=R2
600.25=R2
24.5cm=R
Total width =21+24.5=45.5cm
1386=22/7*r2
1386*7/22=r2
63*7=r2
441=r2
21cm=r
Area of 2nd circle =22/7=R2
1886.5=22/7*R2
1886.5*7/22=R2
85.75*7=R2
600.25=R2
24.5cm=R
Total width =21+24.5=45.5cm
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