Triangle Sum, Classifying Triangles, & Congruent Triangles

Flashcard
•
Mathematics
•
9th - 11th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Triangle Sum Theorem?
Back
The Triangle Sum Theorem states that the sum of the interior angles of a triangle is always 180 degrees.
Tags
CCSS.8.G.A.5
2.
FLASHCARD QUESTION
Front
How do you classify triangles based on their sides?
Back
Triangles can be classified as Equilateral (all sides equal), Isosceles (two sides equal), or Scalene (no sides equal).
Tags
CCSS.4.G.A.2
3.
FLASHCARD QUESTION
Front
How do you classify triangles based on their angles?
Back
Triangles can be classified as Acute (all angles less than 90°), Right (one angle equal to 90°), or Obtuse (one angle greater than 90°).
Tags
CCSS.4.G.A.2
4.
FLASHCARD QUESTION
Front
What is a congruent triangle?
Back
Congruent triangles are triangles that are identical in shape and size, meaning their corresponding sides and angles are equal.
Tags
CCSS.8.G.A.2
5.
FLASHCARD QUESTION
Front
What is the symbol for congruence?
Back
The symbol for congruence is '≅'.
Tags
CCSS.8.G.A.2
6.
FLASHCARD QUESTION
Front
If two angles are complementary, what is the sum of their measures?
Back
The sum of the measures of two complementary angles is 90 degrees.
Tags
CCSS.7.G.B.5
7.
FLASHCARD QUESTION
Front
What is the definition of an obtuse triangle?
Back
An obtuse triangle is a triangle that has one angle greater than 90 degrees.
Tags
CCSS.4.G.A.2
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