Understanding Basic Geometric Concepts

What is the precise definition of an angle in geometry?

• A figure formed by two rays with a common endpoint.

• A straight path that extends infinitely in both directions.

• A closed curve where all points are equidistant from a fixed point.

• A part of a line with two endpoints.

Which of the following best describes a circle?

• A straight path that extends infinitely in both directions.

• A figure formed by two rays with a common endpoint.

• A closed curve where all points are equidistant from a fixed point.

• A part of a line with two endpoints.

What is the definition of a perpendicular line?

• Two lines that never intersect.

• A line that intersects another line at a 90-degree angle.

• A part of a line with two endpoints.

• A closed curve where all points are equidistant from a fixed point.

How would you define parallel lines?

• Two lines that intersect at a 90-degree angle.

• A part of a line with two endpoints.

• Two lines in a plane that never meet.

• A figure formed by two rays with a common endpoint.

What is a line segment?

• A straight path that extends infinitely in both directions.

• A part of a line with two endpoints.

• A closed curve where all points are equidistant from a fixed point.

• A line that intersects another line at a 90-degree angle.

What is the distance along a line?

• The length between two points on a line.

• The measure of the space inside a circle.

• The angle formed by two intersecting lines.

• The area of a triangle.

How is the distance around a circular arc defined?

• The length of the straight line from the center to the circumference.

• The measure of the angle at the center of the circle.

• The length of the curved line forming part of the circumference.

• The area enclosed by the circle.

What is the common endpoint of two rays called?

• Vertex

• Center

• Midpoint

• Origin

Which of the following is true about a point in geometry?

• It has a length and width.

• It is a location with no size.

• It is a part of a line with two endpoints.

• It is a closed curve.

What is the term for a line that divides an angle into two equal parts?

• Perpendicular bisector

• Angle bisector

• Median

• Altitude