jsymens jsymens
  • 08-01-2019
  • Mathematics
contestada

if a pond has a major axis of 68 feet and a minor axis of 32 feet how far apart are the foci

Respuesta :

rejkjavik rejkjavik
  • 08-01-2019

Answer:

The distance between foci is 60 feet

Step-by-step explanation:

we are given

a pond has a major axis of 68 feet

so, [tex]a=\frac{68}{2} =34[/tex]

a minor axis of 32 feet

so, [tex]b=\frac{32}{2} =16[/tex]

now, we know ellipse formula

[tex]c^2=a^2-b^2[/tex]

where

c is the distance between center and focus

so, we can plug it and find c

[tex]c^2=34^2-16^2[/tex]

[tex]c=30[/tex]

Distance between foci is

[tex]=2c[/tex]

[tex]=2\times 30[/tex]

[tex]=60[/tex]


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