Claire says that in order to calculate the surface area of the cone, she needs to use 8 in. Miles says that in order to calculate the surface area of the cone, he needs to use 9 in. Who is correct and why?(1 point)ResponsesMiles is correct because 9 in. is the slant height of the cone.Miles is correct because 9 in. is the slant height of the cone.Claire is correct because 8 in. is the height of the cone.Claire is correct because 8 in. is the height of the cone.Miles is correct because 9 in. is the height of the cone.Miles is correct because 9 in. is the height of the cone.Claire is correct because 8 in. is the slant height of the cone.

Neither Claire nor Miles is correct because both the height and slant height are needed to calculate the surface area of a cone.