the TSA of a cone is 18 centimetre
square and slant height is equal to diameter of its base find the area of base
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TSA of cone = πrl = 18cm²
:– l = d = 2r
Area of circular base :
=> πrl = 18cm²
=> πr × 2r = 18cm²
=> 2πr² = 18cm²
=> πr² = 18/2
=> πr² = 9cm²
Therefore, the area of its circular base is 9cm².
I hope it helps you.
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