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2024年4月16日发(作者：油桶oracle下载)
Choose:(40’)
1、What does CPCTC stand for?( ).
ent parts of congruent triangles are congruent
ponding parts of congruent triangles are congruent
ponding parts of corresponding triangles are corresponding
ponding parts of congruent triangles are Canadian.
2、Are these triangles congruent? If so, state the rule which you used to determine congruence.( ).
SSS and SAS necessarily congruent
3、Name the postulate, if possible, that makes the triangles congruent.( ).
enough information
4、What are the five ways to prove triangles congruent?( ).
, ASA, AAS, SAS, HL , SSA, HL, AAS, SAS , SSA, HL, AAS, SSS , SAS, SSA, SSS, ASA
5、Are these triangles congruent? If so, state the rule which you used to determine congruence.( ).
6、Which is NOT a criteria for triangles to be congruent by the HL Theorem?( ).
triangles ent hypotenuses
pairs of congruent legs pair of congruent legs
7、When using hypotenuse leg (HL) in a proof, you must first state ...( ).
. are right triangles.
vertical angles are congruent. reflexive property.
8、Are these triangles congruent? If so, state the rule which you used to determine congruence.( ).
necessarily congruent
9、When can we use the HL Congruence Theorem?( ).
Triangles les Triangles we have a reflexive side
10、If ∆ABC≌∆XYZ which is true?( ).
≌XY ≌YX ≌XZ ≌CB
11、Given that ΔPQR ≅ Δ LJK, PR=2x+6, JL= 10 units, LK= 3x-6, find the measure of side PR. ( ).
A.10 B.2 C.12 D.30
12、Identify the incorrect statement.( ).
corresponding sides of congruent triangles are equal.
corresponding angles of congruent triangles are equal.
C. Two triangles cannot be congruent.
D. There are four congruency conditions for congruence of triangles.
13、In two triangles, the three angles of one triangle are correspondingly equal to three angles of another
triangle. Which of the following is a correct statement?( ).
A. One triangle is an enlarged copy of other. B. The two triangles are necessarily congruent.
two triangles are congruent by A.A.A. congruency criterion. D. All of the above.
14、Which of the following criterion does not exist?( ).
A.A.S.A. criterion B.R.H.S. criterion C. A.A.A. criterion D.S.S.S. criterion
15、In congruent triangles, corresponding parts are always ______.( ).
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