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The chapter discusses similarity in triangles, establishing fundamental criteria for determining when two figures are similar, particularly focusing on triangles. It highlights the importance of corresponding angles and side ratios while also applying these concepts in various practical scenarios, such as indirect measurements. Additionally, the chapter introduces several theorems and activities to facilitate understanding of these concepts.
Chapter 66 sections
The chapter discusses similarity in triangles, establishing fundamental criteria for determining when two figures are similar, particularly focusing on triangles. It highlights the importance of corresponding angles and side ratios while also applying these concepts in various practical scenarios, such as indirect measurements. Additionally, the chapter introduces several theorems and activities to facilitate understanding of these concepts.
Similar figures have the same shape but not necessarily the same size.
All congruent figures are similar, but similar figures need not be congruent.
Two polygons are similar if their corresponding angles are equal and their corresponding sides are proportional.
The AAA (Angle-Angle-Angle) criterion indicates that if two triangles have their corresponding angles equal, then their corresponding sides are in proportion.
Figures with the same shape but not necessarily the same size.
Figures that are the same shape and size.
If a line is drawn parallel to one side of a triangle, it divides the other two sides in the same ratio.
If in two triangles, corresponding angles are equal, then their corresponding sides are in the same ratio.
If in two triangles, corresponding sides are in the same ratio, then the triangles are similar.
If one angle of a triangle is equal to one angle of another triangle and the sides including these angles are in the same ratio, the two triangles are similar.
Total Questions
2
Estimated Time
4 min
Passing Score
70%
1 more question available