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Mathematics 15 Online
OpenStudy (anonymous):

Rebecca has a triangular piece of board. She cut it along a line parallel to the base of the triangle as shown below. What is the length of the line along which she cut the board?

OpenStudy (anonymous):

OpenStudy (anonymous):

@TuringTest

OpenStudy (anonymous):

10/20 = 4/x; 1/2 = 4/x; x=8. Use the concept of similar triangles.

OpenStudy (anonymous):

thank you!

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