2 years ago

Find the point Bon AC such that the ratio of AB to BC is 3:1

Mathematics

1 answer:

Karo-lina-s [1.5K]2 years ago

5 0

Answer:

4√17

Step-by-step explanation:

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Step-by-step explanation:

Observe in the figure attached that a right triangle is formed.

Then, you need to remember the identity:

$cos\alpha=\frac{adjacent}{hypotenuse}$

In this case you can identify that:

$adjacent=10\\hypotenuse=x$

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Then, to find the length of the wooden board (x), you need to substitute values and solve for x.

Therefore, you get:

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Answer:

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