Math, asked by sonushrma, 11 months ago

find the slant height and the curved surface area of the frustum of a cone of height 6 cm if the radii of its bases are 14 cm and 6 cm????​

Answers

Answered by streetburner
0

Answer:

CSA = 1357.71, l= 10

Step-by-step explanation:

h = 6 cm

R=14 cm , r = 6 cm

CSA = π(r+R)√[(R-r)^2+h^2] + πr^2 + πR^2

= π(20)√(64+36) +π*36 + π*196

= π(20)*10 + π*232

= π(432) = 1357.71

l = √[(R-r)^2 + h^2]

= √(64 + 36)

= 10

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