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Mathematics 7 Online
OpenStudy (anonymous):

Use the Side-Splitter Theorem to find x, given that segment PQ is parallel to segment BC. The figure is not drawn to scale. Answer: 6 12 20 24

OpenStudy (anonymous):

OpenStudy (anonymous):

@Directrix

OpenStudy (anonymous):

@SolomonZelman

OpenStudy (solomonzelman):

Since PQ and BC are parallel, therefore \(\large\color{slate}{ \triangle }\)APQ and \(\large\color{slate}{ \triangle }\)ABC are proportional.

OpenStudy (solomonzelman):

you can solve for a proportion, using AQ (right side of \(\large\color{slate}{ \triangle }\)APQ) and AC (right side of \(\large\color{slate}{ \triangle }\)QBC).

OpenStudy (solomonzelman):

( \(\large\color{slate}{ \triangle }\) means "triangle" )

OpenStudy (anonymous):

ok can you show me with the numbers on how to start off to solve it

OpenStudy (acxbox22):

using @SolomonZelman 's info above we can set up a proprtion using the sides of the triangles 8/12=8+x/12+18 now can you solve the proprtion?

OpenStudy (anonymous):

the answer would be 12

OpenStudy (acxbox22):

yep good job :)

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