anonymous
  • anonymous
DBE is obtained by enlarging ABC. If the area of ABC is 3 square units, what is the area of DBE? 27 square units 24 square units 12 square units 9 square units
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
anonymous
  • anonymous
@uri
anonymous
  • anonymous
ill give medal..

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anonymous
  • anonymous
Im getting 27
anonymous
  • anonymous
well you deserve it :) cuz you help me :)
anonymous
  • anonymous
i.e: Triangle ABC is similar to triangle DBE. IF AB=2, DB=4 and the area of smaller triangle ABC=3u^2, find the area of triangle DBE: 1. Determine the similarity ratio of two corresponding sides: AB/DB = 2/4 2. Reduce the ratio to its lowest amount: 2/4=1/2 3. Square each number: 1/2 1^2/2^2= 1/4 4. Create a new ratio with the area of ABC to DBE. Since we don't know what the area of DBE is, we will call that y: 3u^2/yu^2 5. Set the squared similarity ratio to the area ratio: 1/4=3u^2/yu^2 6. Cross multiply: 1_y=3_4 so 1y=12 7. Solve for y: 1y/1=12/1 8. y=12 so the area of DBE is 12u^2
anonymous
  • anonymous
Watch this too, it will help. :) http://www.youtube.com/watch?v=fIyBoDWi3M4
anonymous
  • anonymous
thx for you help C:
anonymous
  • anonymous
np
anonymous
  • anonymous
can you help me with a few more? \
anonymous
  • anonymous
I will see what I can do, sure :T
anonymous
  • anonymous
:D yay!!!
anonymous
  • anonymous
CoC states that you need to only have 1 question per teb thing :/ so close this and make another
anonymous
  • anonymous
kk

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