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Math - Unit 3
Geometry and Measurement
9
Mathematics
7th Grade
12/01/2016

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Cards

Term
What are parallel lines?
Definition
Line segments that will never intersect
Term
What are perpendicular lines?
Definition
Line segments that intersect at 90 degrees
Term
What is a perpendicular bisector?
Definition
A line segment that intersects at 90 degrees and divides it into two equal parts.
Term
What is an angle bisector?
Definition
A line segment that divides an angle into two equal parts.
Term
What are the two methods of bisecting a perpendicular line segment?
Definition
Protracter & ruler
Right triangle & ruler
Term
What are the two methods of bisecting an angle?
Definition
Compass and ruler.
Protractor and ruler.
Term
What is the formula for the area of a square?
Definition
a = l•w
Term
What is the formula for the area of a parallelogram?
Definition
a = b•h
Term
What is the formula for the area of a triangle?
Definition
a = b•h
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