A cone has a height of 24 inches, a slant height of 25 inches, and a diameter of 14 inches. What is the surface area of the cone?

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asked Nov 10, 2018 39.7k views

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NoSkill · Answer 1 · 2018-11-14T20:24:24+0000

the curved surface area of a cone is π x base radius x slant height
so the total surface area including the base circle will be
π x 7 x 25 (curved surface) + π x 7² (base area)
= 703.72 (corr to 2 dp)

A cone has a height of 24 inches, a slant height of 25 inches, and a diameter of 14 inches. What is the surface area of the cone?

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