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Goshia [24]
3 years ago
8

The radius of the base of a right circular cone is 4 in., and its slant height is 15 in. If the radius and the slant height are

each multiplied by 6, by what factor is the surface area multiplied? A. 6 B. 9 C. 12 D. 36
Mathematics
1 answer:
alukav5142 [94]3 years ago
3 0

Answer:

Step-by-step explanation:

radius r = 4 in

slant height L = 15 in

base area = πr² = 16π in²

lateral area = πrL = 60π  in²

surface area = 76π in²

r = 4×6, L = 15×6

base area = (4×6)²π = 16π×36

lateral area = 60π×36

surface area is multiplied by 36

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-> See attached

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https://www.mesacc.edu/~scotz47781/mat120/notes/quad_formula/quad_formula.html

Use this link to help you .

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