leachmacy19
leachmacy19 leachmacy19
  • 19-05-2017
  • Mathematics
contestada

You have a cone with a radius of 4ft and a height of 10ft . Find the area of the triangle formed by a perpendicular cross-section through the cone's center

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hanvoldj
hanvoldj hanvoldj
  • 19-05-2017
Area of a triangle = (b·h)/2
the base would be the diameter of the circle, so 4+4=8 ft, the height is 10 ft.
A= (4×10)/2
A=20 ft²
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