Isosceles and Equilateral Triangles
Flashcard
•
Mathematics
•
9th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an isosceles triangle?
Back
A triangle with at least two sides of equal length.
Tags
CCSS.4.G.A.2
2.
FLASHCARD QUESTION
Front
What is an equilateral triangle?
Back
A triangle with all three sides of equal length.
Tags
CCSS.4.G.A.2
3.
FLASHCARD QUESTION
Front
What is the sum of the interior angles of a triangle?
Back
180 degrees.
Tags
CCSS.8.G.A.5
4.
FLASHCARD QUESTION
Front
If two angles of a triangle are equal, what type of triangle is it?
Back
Isosceles triangle.
Tags
CCSS.4.G.A.2
5.
FLASHCARD QUESTION
Front
What is the base of an isosceles triangle?
Back
The side that is not equal in length to the other two sides.
6.
FLASHCARD QUESTION
Front
How do you find the missing angle in a triangle?
Back
Subtract the sum of the known angles from 180 degrees.
Tags
CCSS.8.G.A.5
7.
FLASHCARD QUESTION
Front
What is the relationship between the angles in an equilateral triangle?
Back
All angles are equal and measure 60 degrees.
Tags
CCSS.HSG.CO.C.10
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