Bianca took a job that paid $150 the first week. She was guaranteed a raise of 6% each week. How much money will she make in all
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Answer: 20 ft
This problem can be solved by the Thales’s theorem, which states:
<em>Two triangles are similar when they have equal angles and proportional sides </em>
It should be noted that to apply Thales' Theorem, it is necessary to establish <u>the two triangles are similar</u>, that is, that t<u>hey have the corresponding angles equal or that their sides are proportional to each other. </u>
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Now, if we measure the shadow of the flagpole and the shadow of the person, <u>at the same moment</u>, we can use the first Thales' Theorem to calculate the height of the flagpole, knowing the height of the person.
In this case we have two similar triangles (Figure attached) where is the height of the flagpole,
is the height of the person,
is the length of the shadow of the flagpole and
is the length of the shadow of the person.
Having this clear, we can write the following relation with both similar triangles:
(1)
We know all these lengths except , which is the value we want to to find.
So, in order to approach this problem we have to find from equation (1):
Then:
>>>>>This is the height of the flagpole
Answer:
Step-by-step explanation:
The value in
The value in
The value in