Ch 1: Geometry Basics Review

What is the definition of an angle?

• An angle is formed by two rays that share a common endpoint, called the vertex.

• An angle is a measure of the distance between two points.

• An angle is a straight line that connects two points.

• An angle is a figure formed by three intersecting lines.

What is the intersection of two lines?

• The point where they meet.

• The angle between the lines.

• The distance between the lines.

• The slope of the lines.

What is a transversal line?

• A line that runs parallel to another line.

• A line that intersects two or more other lines in the same plane.

• A line that is perpendicular to another line.

• A line that does not intersect any other lines.

What is the difference between acute, obtuse, and reflex angles?

• An acute angle is greater than 90 degrees, an obtuse angle is less than 90 degrees, and a reflex angle is equal to 180 degrees.

• An acute angle is less than 90 degrees, an obtuse angle is greater than 90 degrees but less than 180 degrees, and a reflex angle is greater than 180 degrees.

• An acute angle is equal to 90 degrees, an obtuse angle is greater than 180 degrees, and a reflex angle is less than 90 degrees.

• An acute angle is less than 45 degrees, an obtuse angle is greater than 45 degrees but less than 90 degrees, and a reflex angle is equal to 360 degrees.

What are complementary angles?

• Two angles whose measures add up to 90 degrees.

• Two angles that are equal in measure.

• Two angles that add up to 180 degrees.

• Two angles that are adjacent to each other.

What is the definition of parallel lines?

• Lines that intersect at a right angle.

• Lines that meet at a point.

• Lines in a plane that never meet; they are always the same distance apart.

• Lines that curve away from each other.

What does the notation @@\bar{ST}@@ represent?

• The line segment connecting points S and T.

• The distance between points S and T.

• The midpoint of the line segment ST.

• The angle formed by points S and T.

How do you find the missing angle in a triangle?

• By measuring the angles directly

• By using the Pythagorean theorem

• By using the fact that the sum of angles in a triangle is 180 degrees

• By subtracting the smallest angle from 90 degrees

What is the sum of the interior angles of a quadrilateral?

• 180 degrees

• 360 degrees

• 270 degrees

• 90 degrees

What is the formula for the area of a triangle?

• Area = base × height

• Area = \frac{1}{2} \times base \times height

• Area = base + height

• Area = \frac{1}{3} \times base \times height