anonymous
  • anonymous
The height of an equilateral triangular prism increases by one unit. The new lateral area is more than the original by how much? the area of the base the height the perimeter of the base the area of one lateral face
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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amistre64
  • amistre64
so how much new material is added?
amistre64
  • amistre64
one unit is not the amount of new material; that is a distance
amistre64
  • amistre64
how do we determine lateral area in the first place?

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Mertsj
  • Mertsj
|dw:1334361408549:dw|
Mertsj
  • Mertsj
How much did the lateral increase?
amistre64
  • amistre64
nice pic :)
anonymous
  • anonymous
the lateral area?
amistre64
  • amistre64
if we make that more general; LA = base perimeter * height if height is increase by 1 LA = B(h+1) --> LA = Bh + B
Directrix
  • Directrix
the perimeter of the base ------------- LA = p*h where p is the perimeter of the base If h' = h + 1, then the lateral area of the taller prism is LA = p*(h+1) = ph + p. Comparing ph to ph + p shows that the lateral area of the taller prism is increased by the perimeter of the base.

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