Classifying Triangles by Angles
Flashcard
•
Mathematics
•
4th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What type of triangle has all angles less than 90 degrees?
Back
Acute triangle
Tags
CCSS.4.G.A.2
2.
FLASHCARD QUESTION
Front
What type of triangle has one angle that is exactly 90 degrees?
Back
Right triangle
Tags
CCSS.4.G.A.2
3.
FLASHCARD QUESTION
Front
What type of triangle has one angle larger than 90 degrees?
Back
Obtuse triangle
Tags
CCSS.4.G.A.2
4.
FLASHCARD QUESTION
Front
An acute triangle is a triangle where...
Back
all angles are less than 90 degrees.
Tags
CCSS.4.G.A.2
5.
FLASHCARD QUESTION
Front
A right triangle is defined by having...
Back
one angle that is exactly 90 degrees.
Tags
CCSS.4.G.A.2
6.
FLASHCARD QUESTION
Front
An obtuse triangle is defined by having...
Back
one angle that is larger than 90 degrees.
Tags
CCSS.4.G.A.2
7.
FLASHCARD QUESTION
Front
If a triangle has angles measuring 30°, 60°, and 90°, what type of triangle is it?
Back
Right triangle
Tags
CCSS.4.G.A.2
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