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a paper coffee filter has a radius of 6 centimeters and a slant of height of 12 centimeters. find the surface area of the filter. round your answer to the nearest whole number.

Respuesta :

Inemesitjacobmpb
Using the formula πrl +πr²
[tex]\pi = 3.142[/tex]
[tex]l = 12cm[/tex]
surface area of the filter which is in form of a right cone is πrl+πr²

[tex] (3.142 \times 6 \times 12) + (3.142 \times {6}^{2}) [/tex]
=339.336
=339cm² to nearest cm

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