Math Symbols and Terms (Algebra and Geometry) Flashcards
How many degrees do supplementary angles add up to?
180 degrees
How many degrees do complementary angles add up to?
90 degrees
What does the word “alternate” mean as in “alternate (interior/exterior)” angles?
on opposite sides of the transversal
What is a transversal?
a line that cuts through two parallel lines
What is an Arc?
a segment of the outside of a circle
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[https://byjus.com/maths/arc/]
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What is a radius?
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a line that goes from the center of a circle to the outside
https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geomet
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What are vertical angles?
angles across from each other in an X
How many degrees do angles that are next to each other in a line add up to?
180 degrees
Are vertical angles complementary (90), supplementary (180), or equal?
equal
What operation should you use when you see parenthesis
[e.g. y= 3(4x + 1)] ?
parenthesis mean multiplication
What operation should you use when you see the line in a fraction? ( 3 / x)
The line in a fraction means divide. So, 3/x means “3 divided by x”.
What does the word congruent mean?
congruent means having the same length and size
https://www.cuemath.com/geometry/congruent/
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What does the word “corresponding” mean as in “corresponding angles”?
in the same position
https://www.chilimath.com/lessons/geometry-lessons/corresponding-ang
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What does the word “prime” mean (as in points)? How is it marked?
The new points (marked with an apostrophe) after a point or shape is moved on a graph
https://ohsrehak.weebly.com/uploads/5/4/6/9/54699399/9-2_translation
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What is “perimeter”?
The distance around a shape added together