Math, asked by ashel1, 1 year ago

the suncrefrence of 2 circle are in the rasio 2.3 find the rasio of the areas

Answers

Answered by saurabhsemalti
2
circumference is given by 2πr,,, therefore we can say that it is proportional to r
let circumference of 1st circle be s1 and radius r1,,
s1/s2=2/3
r1/r2=2/3
area is proportional to r^2
a1/a2=(2/3)^2
a1/a2=4/9
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