Triangle Congruence: SSS and HL — Unit test Answers
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Triangle A B C is shown with its exterior angles. Line C B extends through point D. Line B C extends to form exterior angle that is 135 degrees. Angle C A B is 75 degrees.
A
m∠ABC = 15°B
m∠ABC = 45°C
m∠ABC = 60°D
m∠ABC = 75°22
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A regular pentagon is created using the bases of five congruent isosceles triangles, joined at a common vertex.
A
54°B
72°C
108°D
144°23
Chang knows one side of a triangle is 13 cm. Which set of two sides is possible for the lengths of the other two sides of this triangle?
A
5 cm and 8 cmB
6 cm and 7 cmC
7 cm and 2 cmD
8 cm and 9 cm24
Which pair of triangles can be proven congruent by SAS?
A
2 identical triangles are shown. The triangle is reflected across a line to form the second triangle.
B
2 identical triangles are shown. The triangle is rotated 90 degrees to form the second triangle.
C
2 identical triangles are shown. The triangle is reflected across a line and then rotated to form the second triangle.
D
2 identical triangles are shown. The triangle is rotated up and to the left 90 degrees to form the second triangle.
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