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Schach [20]
3 years ago
14

What is the value of x? Enter your answer in the box. units Triangle A P R with line segment C D parallel to segment A P with C

between A and R and D between P and R. A C equals 10. C R equals x. P D equals 15. D R equals 42.

Mathematics
1 answer:
valentina_108 [34]3 years ago
7 0

The value of x is 28

Explanation:

Given that APR is a triangle with line segment CD parallel to AP.

It is also given that AC = 10. CR = x. PD = 15. DR = 42

The image of the triangle showing these measurement is attached below.

The triangle proportionality theorem states that, "If a line is drawn parallel to one side of a triangle, it intersects the other two sides and divides them proportionally.

Hence, we have,

\frac{R C}{C A}=\frac{R D}{D P}

Now, we shall substitute the values, we get,

\frac{x}{10}=\frac{42}{15}

Multiplying both sides by 10, we have,

x=10\left(\frac{42}{15}\right)

Simplifying, we get,

x=\frac{420}{15}

Dividing,

x=28

Thus, the value of x is 28.

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