mayragonzalez0os9h98
mayragonzalez0os9h98 mayragonzalez0os9h98
  • 13-06-2018
  • Mathematics
contestada

In the diagram, triangle ABC and triangle DBE are similar. What is the scale factor of the dilation that will map the preimage triangle ABC onto the image triangle DBE?
A- 1.33
B- 0.75
C- 0.66
D- 0.55

In the diagram triangle ABC and triangle DBE are similar What is the scale factor of the dilation that will map the preimage triangle ABC onto the image triangl class=

Respuesta :

stokholm stokholm
  • 10-06-2019

Answer:

Step-by-step explanation:

Alright, lets get started.

triangle ABC and DBE are given similar.

Means their corresponding sides should also be in same ratio.

If we want to map image of ABC on DBE,  then we need to multiply with AC with such a scale factor, which make it equal to DE.

Hence the scale factor will be :

[tex]AC*scalefactor=DE[/tex]

scale factor = [tex]\frac{DE}{AC}[/tex]

scale factor = [tex]\frac{12.09}{16.12}[/tex]

scale factor=0.75    :    Answer B

Hope it will help :)

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