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Use the pythagorean theorem to calculate it.

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Q: How tall does a building have to be to cast a 64 foot shadow?
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Related questions

If a tree 17 feet tall casts a shadow 12 feet long how high is a building that casts a shadow 19 feet long?

To cast a 19 foot shadow the building would have to be 26.91 feet tall. Each foot of building/tree casts 8.47 inches of shadow.


A 60-foot -tall flagpole casts a 42-foot long shadowat the same time of daywhat would be the length of a shadow cast by an 18-foot-tall building?

The lenght of the shadow will be 12.6 ft


How tall would a house be that casts a 18 feet long shadow?

That all depends upon what time of day the shadow was cast. For example, at straight up noon, even a very tall building wouldn't cast much of a shadow, but at sunrise or sunset, even a tiny building might cast an 18 foot long shadow, or even longer.


A tree is standing next to a 40 foot high building the tree has an 18 foot shadow while the building has a 16 foot shadow how tall is the tree rounded to the nearest foot?

(18/16)x40=45


A building casts a 52-foot shadow at the same time Tonya casts a 4-foot?

48


Measure the height of building 6 ft pole in shadow of building and covers shadow of building distance between pole and building 182ft pole cast shadow of 5.25ft how tall is building?

208 ft pole


When a tree cast a 20 foot shadow a man 6 feet tall casts a 3 foot shadow how tall is the tree?

The man is twice as high as his shadow. Therefore, the tree must also be twice as high as its shadow, which would make the tree 40 feet tall.


Thomas happened to notice that at 4 PM on his uncle's farm a fence post that was 5 feet tall cast a 3 foot shadow He also noticed that a nearby tree cast a 12 foot shadow How tall is the tree?

The tree was 20 feet tall.


Thomas happened to notice that at 4PM on his uncles farm a fence post that was 5 feet tall cast a 2 foot shadow He also noticed that a nearby tree cast a 10 foot shadow How tall is the tree?

25 ft


A tree cast a 24-foot shadow at the same time a fence post 5 feet high cast a 4-foot shadow how tall is the tree?

It works out as 30 feet in height


If your building casts a 280 ft shadow how tall is the building?

That varies depending on the height of the sun, whether the shadow is cast on a sloping surface and so forth.


What is the length of the shadow cast by a 63 foot high pole if a 27 foot high pole casts an 18 foot shadow?

If a 27 ft tall pole casts an 18 foot shadow, a 63 ft tall pole casts an x foot shadow.Put 27/18 and 63/x.Cross multiply, get 27x=1134Divide by 27 on both sides, a 63 foot tall pole casts a 42 foot long shadow.