5-2 Bisectors in Triangles

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Presentation transcript:

5-2 Bisectors in Triangles Students will evaluate the reasonableness of the Perpendicular Bisector and Angle Bisector Theorems. 5-2 Bisectors in Triangles To use properties of perpendicular bisectors and angle bisectors

5-2 Quiz The following questions are to help you determine how well you understand today’s lesson. Please record the number you get right on your portfolio sheet. Make sure you understand why you missed each question!

No other information can be determined. 1. The length of 𝐷𝐸 is shown. What other length can you determine for this diagram? EF = 12 DG = 12 DF = 24 No other information can be determined.

2. 𝐷𝐹 bisects ∠EDG Find the value of x. The diagram is not to scale. 23/42 90 30 6

3. Which statement is not necessarily true? 𝐷𝐸 ⊥ 𝐽𝐿 DK = KE K is the midpoint of 𝐽𝐿 DJ = DL

4. Q is equidistant from the sides of ∠TSR. Find m∠RSQ 4. Q is equidistant from the sides of ∠TSR. Find m∠RSQ. The diagram is not to scale. 10 20 25 29

5. 𝐷𝐹 bisects ∠EDG. Find FG. The diagram is not to scale. 15 14 19 28

Assignment 5-2 p. 296-298 #6-30 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.