The radii of two hemisphere is r:2r ,then the ratio of TSA is​

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The radii of two hemisphere is r:2r ,then the ratio of TSA is​

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Alexandra 3 weeks 2021-09-05T05:48:29+00:00 1 Answer 0 views 0

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    2021-09-05T05:49:53+00:00

    Answer:

    Step-by-step explanation:

    Let radius of two hemisphere be r1 & r2

    Ratio of radii of two hemisphere are r:2r.

    So, ratio of their TSA = 3πr1^2/3πr2^2

    =r1^2/r2^2

    =1^2/2^2

    =1/4. =>1:4.

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