Week of March 17--Geometry

What is a point in geometry?

• A small dot with no length, width, or thickness

• A line with infinite length

• A flat surface with boundaries

• A shape with three dimensions

Which of the following best describes a line?

• A flat surface with no boundaries

• A connection between two points with no thickness and infinite length

• A small dot with no dimensions

• A three-dimensional object

What is a plane in geometry?

• A line with infinite length

• A small dot with no dimensions

• A flat surface with no thickness and no boundaries

• A three-dimensional object

How is a ray defined?

• A line that extends infinitely in both directions

• A portion of a line joining two points

• A half-line with its endpoint included

• A line that is divided by a point

How are angles measured?

• By the length of the sides

• By the amount of rotation from the initial side to the terminal side

• By the area of the circle

• By the color of the lines

How many degrees are there in a full rotation?

• 180°

• 90°

• 360°

• 270°

What is the degree measurement of a right angle?

• Less than 90°

• 90°

• More than 90° but less than 180°

• 180°

Which type of angle measures more than 90° but less than 180°?

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

Which type of angle is less than 90°?

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

What is the sum of two complementary angles?

• 90°

• 180°

• 360°

• 45°