cxssidyw cxssidyw
  • 08-05-2019
  • Mathematics
contestada

Find the surface area of the cone. Round your answer to the nearest hundredth

Find the surface area of the cone Round your answer to the nearest hundredth class=

Respuesta :

m37thequack m37thequack
  • 08-05-2019

Basically you do

2 x 3.14 x 8 squared

= 401.92

Then you do

401.92 + 14 x 8

=513.93

Hope this helps :)

Answer Link
imlittlestar
imlittlestar imlittlestar
  • 08-05-2019

Answer:

The correct answer is option option B 606.32 yd²

Step-by-step explanation:

Points to remember

Surface area of cone = πrl + πr²

Where r is the base radius and l is the lateral edge

To find lateral edge

l =  √(r²+ h²) =  √8² + 14²  = 16.12

To find the surface area of given cone

Here r = 8 yd and l = 16.12 yd

Surface area =  πrl + π r² = π * 8 * 16.12  + π8²

  = 606.32 yd²

Answer Link

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