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Triangle similarity_Geometry

ΒD//Β1D1 , DC//D1C1.

1)

Which of the corners formed are equal?

2)

 Apply the Theli's theorem between the parallel BD//B1 D1 and C1D1// DC

3)

Justify the similarity of the triangular OBD- OB1D1 and OCD-OD1C1

4)

• Are BCD and B1C1D1 triangles identical? Explain

5)

Define triangular similarity criteria