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elixir [45]
3 years ago
6

In triangle RSW, line segment RW is a median and is equal to 27 cm. What is the length of RX?

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
4 0

Answer: LAST OPTION.

Step-by-step explanation:

By definition the line segment that goes from a vertex of the triangle to the midpoint of the oposite side, is called "Median of a triangle".

The medians of a triangle intersect at point called "The centroid of the triangle" and this divides each median in a ratio 2:1.

In this case, you can notice that the Centroid of the given triangle is the point "X".

Based on the explained before, we can write the following porportion:

\frac{RX}{XW}= \frac{2}{1}

Solving for "XW":

XW=\frac{RX}{2}

Since the lenght of "RX" is 27 centimeters, you know that;

RX+XW=27

Substituting XW=\frac{RX}{2} into RX+XW=27 and solving for "RX", we get that its lenght is:

RX+\frac{RX}{2}=27\\\\\frac{3}{2}RX=27\\\\RX=(27)(\frac{2}{3})\\\\RX=18\ cm

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