What is a right angle?
Lines and Angles

Flashcard
•
Mathematics
•
4th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
An angle that forms a square corner and has a measure of 90 degrees.
2.
FLASHCARD QUESTION
Front
What type of angle is less than 90 degrees?
Back
Acute angle.
3.
FLASHCARD QUESTION
Front
What type of angle is more than 90 degrees but less than 180 degrees?
Back
Obtuse angle.
4.
FLASHCARD QUESTION
Front
What is the measure of a straight angle?
Back
180 degrees.
5.
FLASHCARD QUESTION
Front
What are parallel lines?
Back
Lines that never intersect.
6.
FLASHCARD QUESTION
Front
What is the sum of angles in a triangle?
Back
180 degrees.
7.
FLASHCARD QUESTION
Front
What do you call two lines that intersect at a right angle?
Back
Perpendicular lines.
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