Do Now: If DA =7, find EA and DE If DF =28, find AB If AB= 9, find DF

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Presentation transcript:

Do Now: If DA =7, find EA and DE If DF =28, find AB If AB= 9, find DF Aim: How do we apply CPCTC? Objective: Students will be able to apply CPCTC MG21 – Ms.Shin Jan 13, 2011 Homework # : *Test tomorrow *** Bring calculator. (No cell – phone, no sharing) Do Now: Complete the following: If DA =7, find EA and DE If DF =28, find AB If AB= 9, find DF If EF = 3x – 6 and AC = x – 1, find EF and BF.

If AB = 3x + 8 and DF = 2x + 24, Find AB MG21 – Ms.Shin Aim: How do we apply CPCTC? Objective: Students will be able to apply CPCTC Jan 13, 2011 Complete the following: If AB = 3x + 8 and DF = 2x + 24, Find AB 2)If AC = 3x – 5 and EF = 4x + 2 find EB

Aim: How do we use properties of special segments in triangles? Objective: Students will be able to define and use the centroid / incenter of a triangle MG21 – Ms.Shin

Find the value of x for each and find the length of SV for #4. Aim: How do we use properties of special segments in triangles? Objective: Students will be able to define and use the centroid / incenter of a triangle MG21 – Ms.Shin Jan 12, 2011 Part II: Find the value of x for each and find the length of SV for #4.