Test Review - Angles and Triangles
Flashcard
•
Mathematics
•
7th Grade
•
Easy
+2
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Triangle Inequality Theorem?
Back
The Triangle Inequality Theorem states that for any triangle, the sum of the lengths of any two sides must be greater than the length of the third side.
2.
FLASHCARD QUESTION
Front
How can 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
3.
FLASHCARD QUESTION
Front
What are the different types of triangles based on their sides?
Back
Triangles can be classified as equilateral (all sides equal), isosceles (two sides equal), or scalene (all sides different).
Tags
CCSS.4.G.A.2
4.
FLASHCARD QUESTION
Front
What is an equilateral triangle?
Back
An equilateral triangle is a triangle in which all three sides are of equal length and all three angles are equal to 60°.
Tags
CCSS.4.G.A.2
5.
FLASHCARD QUESTION
Front
What is an isosceles triangle?
Back
An isosceles triangle is a triangle that has at least two sides of equal length and the angles opposite those sides are equal.
Tags
CCSS.4.G.A.2
6.
FLASHCARD QUESTION
Front
What is a scalene triangle?
Back
A scalene triangle is a triangle in which all three sides are of different lengths and all three angles are different.
Tags
CCSS.4.G.A.2
7.
FLASHCARD QUESTION
Front
How do you determine if a triangle with given side lengths can exist?
Back
To determine if a triangle can exist with given side lengths, apply the Triangle Inequality Theorem: the sum of the lengths of any two sides must be greater than the length of the third side.
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