anonymous
  • anonymous
Not understanding how they got from 10.4y = 175 to y = 16.826 (Pictures) Chau wants to measure the height of a tree. He sights the top of the tree, using a mirror that is lying flat on the ground. The mirror is 35ft from the tree, and Chau is standing 10.4ft from the mirror, as shown in the figure. His eyes are 5ft above the ground. How tall is the tree? Round your answer to the nearest foot.
Geometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
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anonymous
  • anonymous
Not understanding how they got from 10.4y = 175 to y = 16.826
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UsukiDoll
  • UsukiDoll
those guys divided 10.4 on both sides

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UsukiDoll
  • UsukiDoll
because we need y by itself
anonymous
  • anonymous
They are using proportions because they are similar triangle
UsukiDoll
  • UsukiDoll
|dw:1436945129111:dw|
UsukiDoll
  • UsukiDoll
y = 175/10.4 does lead to y = 16.826
anonymous
  • anonymous
oooh duh , thanks : D
UsukiDoll
  • UsukiDoll
you're welcome :)

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