S.A.C
Grade7 Congruent Triangles
1 - Which of the following cannot be used to prove that two triangles are congruent?
a.
AAS congruence postulate
b.
SAS congruence postulate
c.
SSS congruence postulate
d.
AAA congruence postulate
2) Which pair of triangles shows congruency by the SAS postulate?
a.
Figure D
b.
Figure C
c.
Figure B
d.
Figure A
3) What is the length of side BC?
a.
3 units
b.
6 units
c.
4 units
d.
2 units
4) Name two pairs of congruent triangles in the figure.
a.
ΔAED, ΔDEC; ΔBEC, ΔBEA
b.
ΔAED, ΔAEB; ΔBEC, ΔCED
c.
ΔDEC, ΔBEC; ΔAED, ΔDEC
d.
ΔDEC, ΔBEA; ΔBEC, ΔDEA
5) Which of the following can be used to prove that ΔABC ≅≅ ΔADC ?
a.
ASA postulate
b.
SAS postulate
c.
AAS postulate
d.
SSS postulate