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Questions and Answers
Thales' theorem states that a line parallel to one side of a triangle divides the other two sides proportionally.
Thales' theorem states that a line parallel to one side of a triangle divides the other two sides proportionally.
True (A)
According to Thales' theorem, the ratio of AC to BC is different from the ratio of AD to BD if AB is parallel to CD.
According to Thales' theorem, the ratio of AC to BC is different from the ratio of AD to BD if AB is parallel to CD.
False (B)
Thales' theorem applies only to right triangles.
Thales' theorem applies only to right triangles.
False (B)
Point O in the diagram is the center of the triangle ABC.
Point O in the diagram is the center of the triangle ABC.
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Thales' theorem provides insights into the relationships between sides and diagonal lines in triangles.
Thales' theorem provides insights into the relationships between sides and diagonal lines in triangles.
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Study Notes
Thales' Theorem
- Statement: A line drawn parallel to one side of a triangle divides the other two sides proportionally.
- Mathematical Representation: If line AB is parallel to line CD within triangle ABC, then (AC/BC) = (AD/BD).
- Application: Thales' Theorem helps understand the relationships between sides and parallel lines within triangles.
- Context: This theorem is attributed to Thales, a Greek mathematician.
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