GeometryTriangles

Similar Triangles & BPT

Use the Basic Proportionality Theorem to find the missing side.

AD4

DB6

AE5

EC (by BPT)

7.5

Ratio AD/DB

0.667

Ratio AE/EC

0.667

Basic Proportionality TheoremEC (by BPT): 7.5

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If a line is drawn parallel to one side of a triangle, it divides the other two sides in the same ratio.

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