Class 9 Maths | Chapter 13 | Exercise 13.4-- Q -4 | Surface Areas & Volumes | NCERT
Автор: Aneja Tuitions
Загружено: 2022-10-07
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Описание: Class 9 Maths | Chapter 13 | Exercise 13.4-- Q -4 | Surface Areas & Volumes | NCERT #class9 4. The radius of a spherical balloon increases from 7cm to 14cm as air is being pumped into it. Find the ratio of surface areas of the balloon in the two cases.
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