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Find the total surface area of this cone.
Leave your answer in terms of t.
3 cm
4cm->
ti
SA = [ ? ] cm2
Hint: Surface Area of a Cone = mre + B
Where l = slant height, and B = area of the base

Find The Total Surface Area Of This Cone Leave Your Answer In Terms Of T 3 Cm 4cmgt Ti SA Cm2 Hint Surface Area Of A Cone Mre B Where L Slant Height And B Area class=

Sagot :

The surface area of the cone is 36π

How to find the surface area of a cone?

Surface area of a cone = πr(r + l)

where

  • r = radius
  • l = length

Therefore,

r = 4cm

l² = 4² + 3²

l² = 16 + 9

l = √25

l = 5 cm

Hence,

r = 4 cm

l =  5 cm

Surface area of a cone = π(r + l)

Surface area of a cone = 4π(4 + 5)

Surface area of a cone = 4π(9)

Surface area of a cone = 36π

learn more on surface area here:https://brainly.com/question/23943569

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