5-1 Midsegments of Triangles

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Presentation transcript:

5-1 Midsegments of Triangles Students will draw diagrams of midpoints on triangles and note the relationship between a line created by midpoints on two sides (a midsegment) and the third side. 5-1 Midsegments of Triangles To use properties of midsegments to solve problems.

5-1 Quiz The following questions are designed to help you understand whether or not you understood today’s lesson. Please record the number you get right on your portfolio sheet. Make sure you understand why you missed each question so you don’t make the same mistakes on your homework.

1. Find the value of x. The diagram is not to scale. 32 50 64 80

2. Use the information in the diagram to determine the height of the tree. The diagram is not to scale. 75 ft 150 ft 35.5 ft 37.5 ft

3. Find the value of x. 4 8 6. 6 6

4. Points B, D, and F are midpoints of the sides of ΔACE 4. Points B, D, and F are midpoints of the sides of ΔACE. EC = 30 and DF = 23. Find AC. The diagram is not to scale. 30 11.5 60 46

5. Find the length of the midsegment. The diagram is not to scale. 24 42 84

Assignment 5-1 p. 288-290 #8-40 even At the end of the lesson I want you to rate your understanding. 4-3-2-1 And write 2 complete sentences elaborating on why you rated yourself that way.