write formula TSA of cone explain the terms
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Step-by-step explanation:
the base of a cone is a circle, we substitute 2πr for p and πr2 for B where r is the radius of the base of the cylinder. So, the formula for the lateral surface area of a right cone is L. S. A=πrl , where l is the slant height of the cone .
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Answer:
it is the lsa +area of circle
πrl+πr²
take common
πr(r+l)
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