Question
Download Solution PDFIf the slant height of a cone is 60 cm and the radius of its base is 21 cm, then find its curved surface area. (use π = \({22 \ {} \over 7}\))
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept used:
The curved surface area of cone = π × r × l, where r = radius and l = slant height
Calculation:
The curved surface area of cone
⇒ π × r × l
⇒ π × 21 × 60
⇒ 22/7 × 21 × 60
⇒ 3960 cm2
∴ The correct answer is 3960 cm2
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