Respuesta :

To answer this specific problem, the tree is 45 feet tall. I am hoping that this answer has satisfied your query and it will be able to help you, and if you would like, feel free to ask another question.

Answer:

Tree is 45 ft tall.

Step-by-step explanation:

In the figure attached AB is the tree and CD is the yardstick.

Shadow of tree AB is BO = 15 ft and shadow of yardstick is CO.

since length of a yardstick is = 1 yard or 3 ft.

Now we know that ΔABO and ΔDCO are similar.(since ∠A = ∠D and ∠B = ∠C = 90° so AA property proving triangles similar)

Therefore [tex]\frac{AB}{CD}=\frac{OB}{OC}[/tex]

By putting the values of AB and CD

[tex]\frac{x}{3}=\frac{15}{1}[/tex]

x = 3×15 = 45 ft.

Therefore the height of the tree is 45 ft.

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