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Do Now:  XYZ is the image of  DEF under a similarity transformation.

Similar Triangles Name:_________________ Date:__________ Group: ____. Do Now:  XYZ is the image of  DEF under a similarity transformation. Find each of the following. a. YZ b. DF c. Another angle measure. 1. 2. QTSR  POMN . Find as many missing lengths as possible. 3.

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Do Now:  XYZ is the image of  DEF under a similarity transformation.

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  1. Similar Triangles Name:_________________ Date:__________ Group: ____ Do Now: XYZ is the image of DEF under a similarity transformation. Find each of the following. a. YZ b. DF c. Another angle measure 1. 2. QTSR POMN. Find as many missing lengths as possible.

  2. 3. SDM  TGK a. Write three equal ratios involving the sides of these triangles. b. Write three equations involving angles of these triangles 4. Determine whether or not the triangles are similar. If they are similar, write a similarity statement using the correct order of vertices. Justify your answer. a. b. c. d.

  3. 5a. Are the triangles in the diagram similar? Why or who not? b. Find the w, width of the river in the diagram. w 80m 160m 40m 6. A tree casts a shadow that is 8 m long at The same time a meter stick casts a shadow 40 cm long. How tall is the tree? 7. The foot of a ladder is 1.2 m from a 1.8-m-high fence. The ladder touches the fence and rests against a building 1.8 m behind the fence. a. Draw a diagram of the situation. b. Determine how far up the building the top of the ladder can reach. c. How long is the ladder?

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