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almond37 [142]
3 years ago
7

At a certain time of day, a vertical pole 8ft high casts a 5ft shadow. How long is the shadow of a 4ft child?

Mathematics
1 answer:
snow_tiger [21]3 years ago
8 0
We can look at 2 similar triangles.
1st triangle has legs: a vertical pole and its shadow, and
2nd triangle has legs legs : a child and his(her) shadow.

We can write a proportion:
height of a pole/height of a child= shadow of a pole/shadow of a child

8/4 = 5/shadow of a child
shadow of a child=(5*4)/8=5/2 ft
Answer: 5/2 ft

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