Math question (2 QUESTIONS!!)
1 answer:
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The formula to calculate the lateral area of a cone is given by
where
LA=10.5pi in2
r=2.1 in
l=? slant height
substitute given values
Sum is
r=common ratio
a1=first term
it looks like 2^0=1 is the first term aka a1
it goes to the 9th term (2^9)
sub
r=common ratio
a1=first term
it looks like 2^0=1 is the first term aka a1
it goes to the 9th term (2^9)
sub