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Grade 7 Math: Triangles & Conditions for Unique Triangles
Name
Date
1.
State the triangle inequality rule for sides a, b, c.
2.
Can sides 3, 4, 5 form a triangle?
3.
Can sides 2, 3, 6 form a triangle?
4.
What does SSS uniquely determine?
5.
Does AAA determine a unique triangle?
6.
SAS means:
7.
ASA means:
8.
If two angles of a triangle are 40° and 60°, find the third.
9.
Do sides 7, 10, 15 form a triangle? Show checks.
10.
Given angles 50° and 60°, can you determine the third? What is it?
11.
Explain why AAA does not give a unique triangle.
12.
List a congruence condition that yields a unique triangle.
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