Angles and Lines

What is an obtuse angle?

• An obtuse angle measures less than 90 degrees.

• An obtuse angle measures exactly 90 degrees.

• An obtuse angle measures more than 90 degrees but less than 180 degrees.

• An obtuse angle measures more than 180 degrees.

What is an acute angle?

• An acute angle measures less than 90 degrees.

• An acute angle measures exactly 90 degrees.

• An acute angle measures more than 90 degrees but less than 180 degrees.

• An acute angle measures exactly 180 degrees.

What is the difference between parallel and perpendicular lines?

• Parallel lines intersect at a right angle (90 degrees).

• Perpendicular lines never meet and are always the same distance apart.

• Parallel lines never meet and are always the same distance apart, while perpendicular lines intersect at a right angle (90 degrees).

• Perpendicular lines are always the same distance apart.

What is a right angle?

• A right angle measures exactly 90 degrees.

• A right angle measures 45 degrees.

• A right angle measures 180 degrees.

• A right angle measures 60 degrees.

What is the sum of angles in a triangle?

• 90 degrees

• 180 degrees

• 360 degrees

• 120 degrees

What is an angle?

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

• An angle is a straight line that measures 180 degrees.

• An angle is a figure formed by three points in a plane.

• An angle is the space between two intersecting lines.

What is a straight angle?

• A straight angle measures exactly 90 degrees.

• A straight angle measures exactly 180 degrees.

• A straight angle measures exactly 360 degrees.

• A straight angle measures exactly 45 degrees.

What is a line?

• A line is a straight path that extends infinitely in both directions.

• A line is a curved path that connects two points.

• A line is a segment that has a fixed length.

• A line is a collection of points that form a closed shape.

What are points?

• Points are exact locations in space that have no size or dimension.

• Points are shapes that have length and width.

• Points are the smallest units of measurement in geometry.

• Points are lines that extend infinitely in both directions.

What is a supplementary angle?

• Two angles that add up to 90 degrees.

• Two angles that add up to 180 degrees.

• Two angles that are equal in measure.

• Two angles that are adjacent to each other.