jennbell1990 jennbell1990

25-03-2020
Mathematics

contestada

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?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

25-03-2020

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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