What is an acute angle?
Classifying Triangles

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•
Mathematics
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An acute angle is an angle that measures less than 90 degrees.
2.
FLASHCARD QUESTION
Front
What is an obtuse angle?
Back
An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.
3.
FLASHCARD QUESTION
Front
What is a right angle?
Back
A right angle is an angle that measures exactly 90 degrees.
4.
FLASHCARD QUESTION
Front
What is a straight angle?
Back
A straight angle is an angle that measures exactly 180 degrees.
5.
FLASHCARD QUESTION
Front
What defines an equilateral triangle?
Back
An equilateral triangle is a triangle with all three sides of equal length and all angles measuring 60 degrees.
6.
FLASHCARD QUESTION
Front
What defines an isosceles triangle?
Back
An isosceles triangle is a triangle with at least two sides of equal length and the angles opposite those sides are equal.
7.
FLASHCARD QUESTION
Front
What defines a scalene triangle?
Back
A scalene triangle is a triangle with all sides of different lengths and all angles of different measures.
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