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garri49 [273]
3 years ago
8

If a 36-foot tree casts a 28-foot shadow at the same time near by building casts a 70-foot shadow, how tall is the building?

Mathematics
2 answers:
swat323 years ago
8 0
The building is 78 feet tall.
Arada [10]3 years ago
7 0
Actual length / shadow ratio is equal
Let the height of the building be x, then
36/28 = x/70
x = (36 x 70)/28 = 2,520/28 = 90.

Therefore, the height of the building is 90 feet.
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