the slant height of a cone is 10cm and the diameter is equal to its slant height then find its lateral surface area
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Step-by-step explanation:
Slant height = 10 cm
l = ✓r²+h²
l = √5² + 10²
l = √25+100
l = √125
l = 11.18 cm
L.S.A = πrl
= 3.14 * 5 * 11.18
= 175.526 cm².
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