ratio of the area of a base of cone and curved surfaces area of cone is 3:5 if the perpendicular height of cone is 16 find radius and slant height
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area of base = 2πr
curved surface area = πrl
2πr/πrl = 3/5
3×πrl=5×2πr
3πrl = 10πr
3l = 10
l = 10/3
l = 3.33units
r² = l² - h²
= (3.33)² - 16²
= 11.08 - 256
curved surface area = πrl
2πr/πrl = 3/5
3×πrl=5×2πr
3πrl = 10πr
3l = 10
l = 10/3
l = 3.33units
r² = l² - h²
= (3.33)² - 16²
= 11.08 - 256
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