Triangles, Triangles, 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 sum of the interior angles of a triangle?
Back
The sum of the interior angles of a triangle is always 180 degrees.
Tags
CCSS.8.G.A.5
2.
FLASHCARD QUESTION
Front
What does it mean for two triangles to be congruent?
Back
Two triangles are congruent if they have the same size and shape, meaning their corresponding sides and angles are equal.
Tags
CCSS.8.G.A.2
3.
FLASHCARD QUESTION
Front
What is the SSS congruence criterion?
Back
The SSS (Side-Side-Side) congruence criterion states that if three sides of one triangle are equal to three sides of another triangle, then the triangles are congruent.
Tags
CCSS.HSG.SRT.B.5
4.
FLASHCARD QUESTION
Front
What is the SAS congruence criterion?
Back
The SAS (Side-Angle-Side) congruence criterion states that if two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle, then the triangles are congruent.
Tags
CCSS.HSG.SRT.B.5
5.
FLASHCARD QUESTION
Front
What is an acute triangle?
Back
An acute triangle is a triangle where all three interior angles are less than 90 degrees.
Tags
CCSS.4.G.A.2
6.
FLASHCARD QUESTION
Front
What is a scalene triangle?
Back
A scalene triangle is a triangle where all three sides are of different lengths.
Tags
CCSS.4.G.A.2
7.
FLASHCARD QUESTION
Front
What is an equilateral triangle?
Back
An equilateral triangle is a triangle where all three sides are equal in length and all three angles are equal, each measuring 60 degrees.
Tags
CCSS.4.G.A.2
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