autumndavis3424 autumndavis3424
  • 12-04-2019
  • Mathematics
contestada

The surface area of a triangle pyramid is 1,936mm2. If the dimensions are multiplied by 1/4 what will be the new surface area?

Respuesta :

calculista
calculista calculista
  • 22-04-2019

Answer:

The new surface area will be [tex]121\ mm^{2}[/tex]

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its surface areas is equal to the scale factor squared

In this problem

The scale factor is [tex]\frac{1}{4}[/tex]

so

Multiply the scale factor squared by the original surface area to obtain the new surface area

[tex](\frac{1}{4})^{2}*1,936=121\ mm^{2}[/tex]

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