Q3, SUMMATIVE TEST #3, MATH 8

1. What does CPCTC mean?

• A. Corresponding pairs of congruent triangles are correspondence

• B. Corresponding parts of congruent triangles are correspondent.

• C. Corresponding parts of congruent triangles are congruent

• D. Congruent pairs of corresponding triangles are congruent.

2. When do you use "CPCTC in a proof?

• A. Always at the beginning

• B. Always at the end

• C. It’s optional

• D. Never

3. Which is NOT a test to prove triangles congruent?

• A. SAA

• B. SSS

• C. SSA

• D. SAS

4. Find for the value of x.

• A. x = 5

• B. x = 4

• C. x = -4

• D. x = 20

5. If ∆LMK ≅ ∆LMT, then ∠K ≅ ____ .

• A. T

• B. ∠T

• C. ∠M

• D. ∠L

6. In congruent triangles, corresponding parts are always ______.

• A. acute

• B. equal

• C. equilateral

• D. 0

7. Figures of the same shape and size are .

• A. congruent

• B. corresponding

• C. similar

• D. unique

8. These two triangles are congruent. If ∠C is 40 $\degree$   find the measure of ∠F.
 

• A.    40 $\degree$  

• B.    50 $\degree$ 

•  C.    90 $\degree$  

• D.    45 $\degree$  

9. These triangles are congruent. If ∠B is 48 $\degree$   what is the measure of ∠F? 

 

• A.    38 $\degree$  

• B.    48 $\degree$ 

•  C.    84 $\degree$  

• D.    45 $\degree$  

10. If ΔDEF ≅ ΔRST, then we can conclude that ∠S ≅ _____ . 

 

• A. ∠F                                                  

• B. ∠E                                      

• C. ∠D                        

• D. DE