Arithmetic Aptitudes › Volume and Surface Area › Question #5380
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QWhat is the formula for the surface area of a cone?

ID: #5380 Volume and Surface Area 187 views
Question Info
#5380Q ID
EasyDifficulty
Volume and Surface AreaTopic
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  • A A = pi * r2 ✔ ✖
  • B A = pi * r * h ✔ ✖
  • C A = pi * r2 + pi * r * h ✔ ✖
  • D A = pi * r * (r + h) ✔ ✖
Correct Answer: Option D

Explanation

The formula for the surface area of a cone is A = pi * r * (r + h), where r is the radius of the base and h is the height of the cone. The term pi * r * (r + h) represents the lateral surface area of the cone, which is the area of a sector of the base multiplied by the slant height of the cone.
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