The total surface area of a right circular cone is 256 square feet. If I slant height of the cone is three times the length of a
radius of the base, find the length of a radius
3 answers:
we are given
total surface area is 256
we can use formula

l is slant height
r is radius
we are given
l=3r
so, we can plug it


now, we can plug TA=256

now, we can solve for r
we get
...........Answer
we are given
total surface area is 256
we can use formula

l is slant height
r is radius
we are given
l=3r
so, we can plug it


now, we can plug TA=256

now, we can solve for r
we get
...........Answer
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