Similar Triangles Shadows

Are these polygons similar, congruent, neither or is there not enough information?

• Similar by SSS

• Similar by AA

• Similar by SAS

• Not Similar

• NEI

Are these polygons similar, congruent, neither or is there not enough information?

• Similar by SSS

• Similar by AA

• Similar by SAS

• Not Similar

• NEI

Are these polygons similar, congruent, neither or is there not enough information?

• Similar by SSS

• Similar by AA

• Similar by SAS

• Not Similar

• NEI

Are these polygons similar, congruent, neither or is there not enough information?

• Similar by SSS

• Similar by AA

• Similar by SAS

• Not Similar

• NEI

x =?

• 7

• 10

• 12

• 14

Which statement about the triangles at the right is true?

• ΔABC is not similar to ΔADF

• ΔABC is similar to ΔADF

• ∠BAC is not congruent to ∠DAF

• ΔABC is congruent to ΔADF

Which statement about the triangles at the right is true?

• ABC is similar to ADF

• ∠BAC is not congruent to ∠DAF

• ABC is congruent to ADF

• ABC is not similar to ADF

Are these polygons similar, congruent, neither or is there not enough information?

• Similar by SSS

• Similar by AA

• Similar by SAS

• Not Similar

• NEI

•                                               a) 10.5 ft           

•  b) 11. 25 ft           

•   c) 12.5 ft      

•   d) 13.25 ft

Which of the following is true about Thales’s discovery of the height of the pyramid?

• a) The height of the pyramid and its shadow are congruent.

•     b) The shadows of different objects at the same time produce similar triangles

• c) Shadows are longer than the altitude of the object.

• d) The pyramid was made by aliens