anonymous
  • anonymous
Arithmetic and geometric means with geometry!!!
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
Question 11a and b
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anonymous
  • anonymous
Sorry b and c actually
hartnn
  • hartnn
know similarity of triangles ?

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anonymous
  • anonymous
yah just need help with b adn c not a
hartnn
  • hartnn
can u prove ABC and ACM are similar?
anonymous
  • anonymous
yes ... its equilangular basically
hartnn
  • hartnn
so do you know that corresponding sides of similar triangles are proportional ?
anonymous
  • anonymous
yes
hartnn
  • hartnn
can you apply that in triangles ACM and BCM ?
hartnn
  • hartnn
oh, sorry i mentioned ABC and ACM earlier it should be ACM and BCM
anonymous
  • anonymous
i see what you're getting at
hartnn
  • hartnn
if you equate corresponding sides as equal , you directly get CM^2 as AM*BM
hartnn
  • hartnn
sorry , proportional*
hartnn
  • hartnn
for part c) you take triangles ABC and BCM
anonymous
  • anonymous
i got AM=BM * x^2 where x was the reduction factor or ratio
hartnn
  • hartnn
what? how ?
anonymous
  • anonymous
oh i did substitution... but i also got your answer
hartnn
  • hartnn
good :)
anonymous
  • anonymous
thnx so much XD

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