Identify triangles by sides and angles.

Flashcard
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the sum of the angles in a triangle?
Back
The sum of the angles in a triangle is always 180 degrees.
Tags
CCSS.8.G.A.5
2.
FLASHCARD QUESTION
Front
What type of triangle has all sides of equal length?
Back
An equilateral triangle.
Tags
CCSS.4.G.A.2
3.
FLASHCARD QUESTION
Front
What type of triangle has two sides of equal length?
Back
An isosceles triangle.
Tags
CCSS.4.G.A.2
4.
FLASHCARD QUESTION
Front
What type of triangle has no sides of equal length?
Back
A scalene triangle.
Tags
CCSS.4.G.A.2
5.
FLASHCARD QUESTION
Front
What is an acute triangle?
Back
An acute triangle is a triangle where all three angles are less than 90 degrees.
Tags
CCSS.4.G.A.2
6.
FLASHCARD QUESTION
Front
What is an obtuse triangle?
Back
An obtuse triangle is a triangle that has one angle greater than 90 degrees.
Tags
CCSS.4.G.A.2
7.
FLASHCARD QUESTION
Front
What is a right triangle?
Back
A right triangle is a triangle that has one angle equal to 90 degrees.
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