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SVEN [57.7K]
3 years ago
8

A tree casts a shadow 28 feet long. At the same time. A 5ft tall boy casts a shadow 8ft long how tall is the tree?

Mathematics
1 answer:
OlgaM077 [116]3 years ago
5 0

Answer:

The tree is 17.5 ft tall

Step-by-step explanation:

We can use ratios to solve

Shadow

-----------

height

28          8

------ = ------------

tree         5

Using cross products

28*5 = 8 * tree

140 = 8 * tree

divide each side by 8

140/8 = 8 *tree/ 8

17.5 = tree

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