If the radius of the cone is increased by 25 percentage then show the increased percentage of its curved surface
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these are the step to solve it
Step-by-step explanation:
first take a radius in which it is easy to find 25%
solve this question in 2 parts
in first part find curved surface area of cone by radius you took
in second part add 25% +radius and find its curved surface area
subtract the ans of eq.2 form eq.1 and there's your ans
hope it helps you
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