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Subjects
Mathematics State Board
Class 10
Mensuration
Surface Area of a Sphere, Hemisphere, Hollow Hemisphere and Frustum of a cone
19.
Find the increased percentage in surface area
Exercise condition:
4
m.
The radius of a sphere increases by
42
\%
. Find the percentage increase in its surface area.
Percentage increased in surface area
=
\%
[
Note
: Enter your answer up to two decimal places]
1
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