diameter of 2 silver discs are in the ratio 2 : 3 what will be the ratio of the areas
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Answered by
5
hey listen !
r=d/2
i.e. r1=2/2=1 & r2=3/2
A1:A2=r1²:r2²=1:9/4=4:9
4:9 is your ans.
hope it helped
r=d/2
i.e. r1=2/2=1 & r2=3/2
A1:A2=r1²:r2²=1:9/4=4:9
4:9 is your ans.
hope it helped
sarita29:
it iswrong
???
Answered by
1
simply .. r12/r2² =4/9
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