anonymous
  • anonymous
Hii i need help with this problem ? Gretchen is using an overhead projector to enlarge a drawing so she can make a poster. The original drawing measures 60 mm wide by 80 mm high. She moves the projector so that the width of the projected image is 300 mm. If the original drawing and the projected image are similar figures, what will be the height of the projected image? A. 440 mm B. 225 mm C. 180 mm D. 400 mm
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
60 ----80 300----x cross multiply... 60x=80*300 go on...
anonymous
  • anonymous
????
hoblos
  • hoblos
tha ratio width/hight must stay the same so 80/60 = x/300 so x= 300*80/60 = 400

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anonymous
  • anonymous
Yea thats true
hoblos
  • hoblos
sorry i've used the ratio height/width but same answer though
kymber
  • kymber
:D|dw:1333559372063:dw|
anonymous
  • anonymous
Thank you :)

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