bellahboo03
bellahboo03 bellahboo03
  • 25-01-2017
  • Mathematics
contestada

a tree casts a shadow 21 feet long, while Enzo, who is 5 feet tall, casts a shadow 6 feet long. What is the height of the tree?

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raeghanr13
raeghanr13 raeghanr13
  • 25-01-2017
20 feet long because you just minus 1 to whatever the shadow is 

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yasemink yasemink
  • 25-01-2017
basically, you would first like to draw a picture of the problem.

then, after you do that, you will want to put them in ratios. here's what I did:
6/5=21/x
since we want to solve for x, the height of the tree, we will reform the equation for x to be alone(you will want to do cross multiplication here):
6x=5*21
6x=105
x=17.5
Ver imagen yasemink
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