This video tutorial covers the basics of geometry, including definitions and properties of points, lines, rays, planes, and angles. It explains collinear and coplanar points, congruent segments, and the segment addition postulate. The video also introduces the distance and midpoint formulas, as well as perpendicular and parallel lines. Various types of angles, such as right, acute, obtuse, and straight angles, are discussed, along with concepts like vertical angles, complementary and supplementary angles, and linear pairs.

What is a point in geometry?

• A location with size and shape

• A location with no size or shape

• A plane with dimensions

• A line with thickness

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CCSS.HSG.CO.A.1

How many points are needed to define a line?

• At least four

• At least two

• At least one

• At least three

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CCSS.HSG.CO.A.1

What is a ray?

• A line segment with two endpoints

• A plane that extends indefinitely

• A line that extends indefinitely in one direction

• A line that extends indefinitely in both directions

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CCSS.4.G.A.1

What does it mean for points to be collinear?

• They lie on the same line

• They lie on the same plane

• They are congruent

• They are perpendicular

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CCSS.4.G.A.1

What is the segment addition postulate?

• The sum of the lengths of two segments is equal to the length of the third segment

• The sum of the lengths of two segments is equal to the length of the entire segment

• The difference of the lengths of two segments is equal to the length of the entire segment

• The product of the lengths of two segments is equal to the length of the entire segment

What is the formula used to find the distance between two points on a coordinate plane?

• Midpoint formula

• Slope formula

• Distance formula

• Area formula

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CCSS.HSG.GPE.B.7

What is a segment bisector?

• A line that is parallel to a segment

• A line that intersects a segment at any point

• A line that intersects a segment at its midpoint

• A line that is perpendicular to a segment

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CCSS.HSG.CO.A.1

What is the symbol for perpendicular lines?

• A straight line

• A right angle

• An upside-down T

• Two parallel lines

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CCSS.4.G.A.1

CCSS.HSG.CO.A.1

What are complementary angles?

• Two angles whose sum is 90 degrees

• Two angles that are adjacent

• Two angles that are equal

• Two angles whose sum is 180 degrees

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CCSS.7.G.B.5

What is a linear pair?

• Two angles that are complementary

• Two angles that are supplementary and adjacent

• Two angles that are vertical

• Two angles that are congruent

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CCSS.7.G.B.5