Asked by Mariana
The surface area of the ice cream cone shown below is given by A = 𝜋r2 +𝜋rs, where r is the radius of the circular top of the ice cream cone and s is the slant height of the cone. If the area of the cone is 12.16π in2 and the slant height of the cone is 6 in., find the radius of the cone. (Round your answer to one decimal place.)
Answers
Answered by
oobleck
really? Just plug in your numbers
πr^2 + πrs = A
r^2 + 6r - 12.16 = 0
(r+7.6)(r-1.6) = 0
r = 1.6
πr^2 + πrs = A
r^2 + 6r - 12.16 = 0
(r+7.6)(r-1.6) = 0
r = 1.6
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