Calculate the total surface area of a solid cone of slant height 15cm and base radius 8cm in terms of π
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
Correct Answer: Option C
Explanation:

Total surface are of a cone
= πr(r + l)
= π x 8 (8 + 150)
= 184πcm2
Total surface are of a cone
= πr(r + l)
= π x 8 (8 + 150)
= 184πcm2