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christinacoe72

  • 2 years ago

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

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  1. amistre64
    • 2 years ago
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    so how much new material is added?

  2. amistre64
    • 2 years ago
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    one unit is not the amount of new material; that is a distance

  3. amistre64
    • 2 years ago
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    how do we determine lateral area in the first place?

  4. Mertsj
    • 2 years ago
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    |dw:1334361408549:dw|

  5. Mertsj
    • 2 years ago
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    How much did the lateral increase?

  6. amistre64
    • 2 years ago
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    nice pic :)

  7. christinacoe72
    • 2 years ago
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    the lateral area?

  8. amistre64
    • 2 years ago
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    if we make that more general; LA = base perimeter * height if height is increase by 1 LA = B(h+1) --> LA = Bh + B

  9. Directrix
    • 2 years ago
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    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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