smariebueno32 smariebueno32
  • 04-05-2018
  • Mathematics
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What is the total surface area of the cone? 90π cm2 65π cm2 120π cm2 115π cm2

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abidemiokin
abidemiokin abidemiokin
  • 01-07-2022

The surface area of the cone is 108π square centimeters

Surface area of a cone

The formula for finding the surface area of a cone is expressed as;

SA= πrl

where

r is the radius = 12/2 = 6cm

L is the slant height = 18cm

Substitute

SA= πrl
SA = 6(18)π
SA = 108π square centimeters

Hence the surface area of the cone is 108π square centimeters

Learn more on surface area of cone here: https://brainly.com/question/6613758

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