proving triangles congruent mathscience innovation center b. davis
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Proving Triangles Congruent
MathScience Innovation Center
B. Davis
Proving Triangles Congruent B. Davis MathScience Innovation Center
Corresponding Parts
Given ABC, name the congruent
AXC
Y
ZB
Is it XYZ, ZXY, or YZX ?
Proving Triangles Congruent B. Davis MathScience Innovation Center
Corresponding Parts
Given ABC, name all 6 parts.
A C
B A
AC
BC
BCAB
Three angles!
And 3 sides !
Proving Triangles Congruent B. Davis MathScience Innovation Center
Proving Triangles Congruent
Decide the reason why these triangles may be congruent.
Choices: SSS SAS ASA AAS None
Proving Triangles Congruent B. Davis MathScience Innovation Center
Proving Triangles Congruent
Decide the reason why these triangles may be congruent.
Choices: SSS SAS ASA AAS None
Proving Triangles Congruent B. Davis MathScience Innovation Center
Proving Triangles Congruent
Decide the reason why these triangles may be congruent.
Choices: SSS SAS ASA AAS None
Proving Triangles Congruent B. Davis MathScience Innovation Center
Proving Triangles Congruent
Decide the reason why these triangles may be congruent.
Choices: SSS SAS ASA AAS None
Proving Triangles Congruent B. Davis MathScience Innovation Center
Proving Triangles Congruent
Decide the reason why these triangles may be congruent.
Choices: SSS SAS ASA AAS None
Proving Triangles Congruent B. Davis MathScience Innovation Center
Two Column Proofs:What are the headings for the 2 columns?
Statements Reasons
Proving Triangles Congruent B. Davis MathScience Innovation Center
Two Column Proof:
Statements Reasons
1. CA 1. Given
2. B is the midpoint of AC 2. Given
3. AB = BC 3. Definition of Midpoint
4. DB = DB 4. Reflexive
6. CBDABD 6. SSS
5. Isosceles triangle has 2 congruent legs
5. AD = DC
Proving Triangles Congruent B. Davis MathScience Innovation Center
Two Column Proof:
Statements Reasons
1. AYAX 1. Given
2. 2. Given
3. 3. Given
4. 4. SSSYBCXBC
ACAB
BYXC
Proving Triangles Congruent B. Davis MathScience Innovation Center
Two Column Proof:
Statements Reasons
1. CDAD 1. Given
2. 2. Given
3. 3. Reflexive
4. 4. SSSCBDABD
BCAB
DBDB
5. Angle A = Angle C 5. Corresponding parts of congruent triangles are congruent.
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